MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efbf4e145f16f45ebbf0a35433b485b218e6df7e7bf144fd2860178cb31c7d26. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efbf4e145f16f45ebbf0a35433b485b218e6df7e7bf144fd2860178cb31c7d26
SHA3-384 hash: 2dff3e347d47f0717dd3ae5c1ce828bea9f538692dcc9c6e2f99751ea0f377ee3b10b1b34b19dbc95eb9c05efdecc2f0
SHA1 hash: 3ad20674374ec26f72f116ca51452e244dfa9f3d
MD5 hash: 98b8459ceacb94ec3aa839350e09f75f
humanhash: utah-aspen-juliet-coffee
File name:dg.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:86'028 bytes
First seen:2026-07-05 07:51:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:LoO60GuJ0X7p8z2/mUe1DtoFsdnY/K0uA/dh3Hk49OKXWtzZklvD1V1cI:L3Jg7p67kAGjx/dREiXoNQD1V1n
TLSH T1658302FD7A0A4A83DC0F5D7467E612919E3C1B6AE42B8C1401395BC2EB09349FE9D8F5
Magika elf
Reporter abuse_ch
Tags:elf UPX
File size (compressed) :86'028 bytes
File size (de-compressed) :196'924 bytes
Format:linux/mips
Unpacked file: 38d080d854d541bea1607a4da5cef9ff174965ba471570df9519cefaff912dc6

Intelligence

File Origin
# of uploads :
1
# of downloads :
44
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/6e815de4-1825-48fe-8fdb-1ced165126ff/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Kills processes
Creating a file
Deleting a recently created file
Changes the time when the file was created, accessed, or modified
Changes access rights for a written file
Sets a written file as executable
Launching a process
Manages services
Runs as daemon
Collects information on the CPU
Locks files
Sets a file as executable
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Deleting of the original file
Creates or modifies files to set up autorun
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
56
Number of processes launched:
13
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/efbf4e145f16f45ebbf0a35433b485b218e6df7e7bf144fd2860178cb31c7d26
Behaviour
Anti-VM
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/72944848-192c-4eab-ad59-e5ffdb2ac511
Behavior Graph:
Download SVG
%3 guuid=f4ad7dbd-1900-0000-f691-83a7940f0000 pid=3988 /usr/bin/sudo guuid=cf80fbbe-1900-0000-f691-83a79e0f0000 pid=3998 /tmp/sample.bin guuid=f4ad7dbd-1900-0000-f691-83a7940f0000 pid=3988->guuid=cf80fbbe-1900-0000-f691-83a79e0f0000 pid=3998 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4490ebdb-331f-4f1d-9233-18531b184664
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1937538
Signature
Connects to many ports of the same IP (likely port scanning)
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Protects files from modification
Sample deletes itself
Sample is packed with UPX
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1937538 Sample: dg.mips.elf Startdate: 05/07/2026 Architecture: LINUX Score: 84 75 141.11.88.119, 28149 ROYALE-ASNL United States 2->75 77 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->77 79 daisy.ubuntu.com 2->79 81 Connects to many ports of the same IP (likely port scanning) 2->81 83 Sample is packed with UPX 2->83 13 dg.mips.elf 2->13         started        15 systemd snapd-env-generator 2->15         started        17 systemd snapd-env-generator 2->17         started        19 5 other processes 2->19 signatures3 process4 process5 21 dg.mips.elf 13->21         started        process6 23 dg.mips.elf 21->23         started        file7 67 /tmp/crontab_check.PClDDh, ASCII 23->67 dropped 69 /root/.bashrc, ASCII 23->69 dropped 71 /etc/rc.local, POSIX 23->71 dropped 73 2 other malicious files 23->73 dropped 93 Sample tries to set files in /etc globally writable 23->93 95 Sample tries to persist itself using /etc/profile 23->95 97 Drops files in suspicious directories 23->97 99 3 other signatures 23->99 27 dg.mips.elf sh 23->27         started        29 dg.mips.elf sh 23->29         started        31 dg.mips.elf sh 23->31         started        33 9 other processes 23->33 signatures8 process9 process10 35 sh crontab 27->35         started        39 sh update-rc.d 29->39         started        41 sh crontab 31->41         started        43 sh chattr 33->43         started        45 sh systemctl 33->45         started        47 sh which 33->47         started        49 2 other processes 33->49 file11 65 /var/spool/cron/crontabs/tmp.tM8oK2, ASCII 35->65 dropped 85 Sample tries to persist itself using cron 35->85 87 Executes the "crontab" command typically for achieving persistence 35->87 89 Sample tries to persist itself using System V runlevels 39->89 51 update-rc.d systemctl 39->51         started        91 Protects files from modification 43->91 53 systemctl systemd-sysv-install 45->53         started        signatures12 process13 process14 55 systemd-sysv-install update-rc.d 53->55         started        57 systemd-sysv-install update-rc.d 53->57         started        59 systemd-sysv-install getopt 53->59         started        process15 61 update-rc.d systemctl 55->61         started        63 update-rc.d systemctl 57->63         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/efbf4e145f16f45ebbf0a35433b485b218e6df7e7bf144fd2860178cb31c7d26
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efbf4e145f16f45ebbf0a35433b485b218e6df7e7bf144fd2860178cb31c7d26/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=567u4fc7c32f5o7qunkdhnefwimonx36ppyuj7jimalyzmy4puta._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/260705-jqnbhsex6p/
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_arm_mips_ko_so
Create hunting rule
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
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 efbf4e145f16f45ebbf0a35433b485b218e6df7e7bf144fd2860178cb31c7d26

(this sample)

Mirai

elf 38d080d854d541bea1607a4da5cef9ff174965ba471570df9519cefaff912dc6

  
URLhaus
https://urlhaus.abuse.ch/url/3878944/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 38d080d854d541bea1607a4da5cef9ff174965ba471570df9519cefaff912dc6
  
Dropping
MD5 f91f8726cfc678d79c6221a84cb249e1

Comments