MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 be7af8b9c2b2a2c74ecdf106692d871364b39bca245c579e3e88b913a0b1b8f1. 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 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: be7af8b9c2b2a2c74ecdf106692d871364b39bca245c579e3e88b913a0b1b8f1
SHA3-384 hash: f465c4c75f1307cf3aaa6371cc2f7d640e06fead2989575fcfdcd20979cc0ad5733c4ef304c2806a9d789c5a24e3beb6
SHA1 hash: ef782b9862a5c913002de6a19c1e6022606c64a6
MD5 hash: 1b444dff328a4f9fcd0d2fee75965d14
humanhash: mockingbird-one-earth-fillet
File name:wlan.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:5'422'876 bytes
First seen:2026-03-27 08:39:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 49152:B9eYdE4ZRg/e3J0qIRLCBtljQQ36zVrBhrouJ+yVUoHP3J:Bd14eERLCqQMVrBhrBRCovJ
TLSH T13D4629029F442EE7C4EBCD325E3DC75344ADAC83518C6666797CCA5C7AA620B1E938DC
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 b3c49d520da3f2fb27315f4a88f5ec4d48cedf7556d8c64260f8a8c95cd0c500
File size (compressed) :2'095'468 bytes
File size (de-compressed) :5'422'876 bytes
Format:linux/mipsel
Packed file: b3c49d520da3f2fb27315f4a88f5ec4d48cedf7556d8c64260f8a8c95cd0c500

Intelligence

File Origin
# of uploads :
1
# of downloads :
76
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30479.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

{HEX}php.generic.globals.455.UNOFFICIAL
Create hunting rule

YARA.SIGNATURE_BASE_EXPL_Shitrix_Exploit_Code_Jan20_1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Kills processes
Manages services
Changes access rights for a written file
Launching a process
Locks files
Sets a written file as executable
Creating a file
Creating a file in the %temp% directory
Writes files to system directory
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
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm gcc hajime masquerade
Link:
https://www.filescan.io/uploads/69c6427690759d6205bf8129/reports/5a441c1f-04a6-468e-bc1a-16c8604ea2fa/overview
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
Full report:
https://elfdigest.com/brief/be7af8b9c2b2a2c74ecdf106692d871364b39bca245c579e3e88b913a0b1b8f1
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/379f1a0e-3e74-4782-838d-4d3f3ce50f61
Behavior Graph:
Download SVG
%3 guuid=3fecff9e-1900-0000-aa6b-038d780b0000 pid=2936 /usr/bin/sudo guuid=79aa4ba2-1900-0000-aa6b-038d7c0b0000 pid=2940 /tmp/sample.bin guuid=3fecff9e-1900-0000-aa6b-038d780b0000 pid=2936->guuid=79aa4ba2-1900-0000-aa6b-038d7c0b0000 pid=2940 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/93def824-f48e-4ded-b740-7979aef35500
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/be7af8b9c2b2a2c74ecdf106692d871364b39bca245c579e3e88b913a0b1b8f1
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/be7af8b9c2b2a2c74ecdf106692d871364b39bca245c579e3e88b913a0b1b8f1/
Threat name:
Linux.Exploit.CVE-2021-36260
Create hunting rule
Status:
Malicious
First seen:
2026-03-27 08:40:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
4 of 36 (11.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xz5proocwkrmotwn6edgslmhcnslhg6kerofphr6rc4rhifrxdyq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery persistence privilege_escalation
Link:
https://tria.ge/reports/260327-kk2gmahs91/
Behaviour
Reads runtime system information
Writes file to shm directory
Writes file to tmp directory
Changes its process name
Modifies init.d
Modifies systemd
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.30
Link:
https://yomi.yoroi.company/submissions/be7af8b9c2b2a2c74ecdf106692d871364b39bca245c579e3e88b913a0b1b8f1

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:APT_Bitter_ZxxZ_Downloader
Create hunting rule
Author:SECUINFRA Falcon Team (@SI_FalconTeam)
Description:Detects Bitter (T-APT-17) ZxxZ Downloader
Reference:https://www.secuinfra.com/en/techtalk/whatever-floats-your-boat-bitter-apt-continues-to-target-bangladesh
Rule name:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:EXPL_Log4j_CVE_2021_44228_Dec21_Soft
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects indicators in server logs that indicate an exploitation attempt of CVE-2021-44228
Reference:https://twitter.com/h113sdx/status/1469010902183661568?s=20
Rule name:EXPL_Shitrix_Exploit_Code_Jan20_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects payloads used in Shitrix exploitation CVE-2019-19781
Reference:https://isc.sans.edu/forums/diary/Citrix+ADC+Exploits+Overview+of+Observed+Payloads/25704/
Rule name:EXPL_Shitrix_Exploit_Code_Jan20_1_RID331C
Create hunting rule
Author:Florian Roth
Description:Detects payloads used in Shitrix exploitation CVE-2019-19781
Reference:https://isc.sans.edu/forums/diary/Citrix+ADC+Exploits+Overview+of+Observed+Payloads/25704/
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:html_auto_download_b64
Create hunting rule
Author:Tdawg
Description:html auto download
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:Linux_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:testlumma
Create hunting rule
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:WHIRLPOOL_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for WhirlPool constants

File information

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

Web download

Mirai

elf b3c49d520da3f2fb27315f4a88f5ec4d48cedf7556d8c64260f8a8c95cd0c500

Mirai

elf be7af8b9c2b2a2c74ecdf106692d871364b39bca245c579e3e88b913a0b1b8f1

(this sample)

  
Dropped by
SHA256 b3c49d520da3f2fb27315f4a88f5ec4d48cedf7556d8c64260f8a8c95cd0c500
  
URLhaus
https://urlhaus.abuse.ch/url/3795011/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 938ed38bc0e86bfc30d4558302184e10

Comments