MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0039764484cd56c09da8eb2863407cb05428debc1fe02ec998013e1cfbca997. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b0039764484cd56c09da8eb2863407cb05428debc1fe02ec998013e1cfbca997
SHA3-384 hash: 0ff07353910ff7d2070e26cbd64eb661048c3251621985d981e09353d8ed5c94a6d2863b61788eaae9d6793ac39a71da
SHA1 hash: 8ed27a0d77b93cc68f5a6a056c07455a21e724e4
MD5 hash: fb771d0ae1d4061c70f62a41ecdd43c7
humanhash: yellow-monkey-virginia-oranges
File name:micro.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:65'856 bytes
First seen:2026-05-31 19:30:36 UTC
Last seen:2026-06-01 01:05:16 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:coZP1igSyruLkI5QGW2CJPnyoaBs/OxRUMYa7otEN:vPMgSMuLtQYCJPny8i17oEN
TLSH T15053020F979A5C98CD383874E4DDEB3EA914E0C015DCA2C98B7578C1E79D5ABB04A374
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) :65'856 bytes
File size (de-compressed) :208'840 bytes
Format:linux/mipsel
Unpacked file: 43b946c50722fc7685ab36d5a35f713155845d6198934d1416e1b5138fabefbe

Intelligence

File Origin
# of uploads :
2
# of downloads :
54
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/116f9a3c-13de-48fb-9fe6-c8ac6190ebca/
Detection(s):
SecuriteInfo.com.Linux.Mirai-20.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Sends data to a server
Receives data from a server
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/6a1c8c84099ef368af116a2a/reports/c211a5ed-6e93-46db-89bc-8b0692f95d42/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/dad83227-b17f-45d2-8017-e9ee15f86c52
Behavior Graph:
Download SVG
%3 guuid=068d53ba-1a00-0000-c2af-53ac110a0000 pid=2577 /usr/bin/sudo guuid=ddc064bd-1a00-0000-c2af-53ac190a0000 pid=2585 /tmp/sample.bin guuid=068d53ba-1a00-0000-c2af-53ac110a0000 pid=2577->guuid=ddc064bd-1a00-0000-c2af-53ac190a0000 pid=2585 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/1e5289b4-126f-4960-bb63-3a5899a6c583
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b0039764484cd56c09da8eb2863407cb05428debc1fe02ec998013e1cfbca997
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b0039764484cd56c09da8eb2863407cb05428debc1fe02ec998013e1cfbca997/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-05-31 19:31:45 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 36 (30.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wabzozcijtkwyco2r2zimnahzmcufdplyh7af3ezqaj6dt54vglq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion upx
Link:
https://tria.ge/reports/260531-x8h2eaey8v/
Behaviour
Writes file to system bin folder
Modifies Watchdog functionality
Family: Mirai
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/b0039764484cd56c09da8eb2863407cb05428debc1fe02ec998013e1cfbca997

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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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: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: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 b0039764484cd56c09da8eb2863407cb05428debc1fe02ec998013e1cfbca997

(this sample)

Mirai

elf 43b946c50722fc7685ab36d5a35f713155845d6198934d1416e1b5138fabefbe

  
URLhaus
https://urlhaus.abuse.ch/url/3853848/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 43b946c50722fc7685ab36d5a35f713155845d6198934d1416e1b5138fabefbe
  
Dropping
MD5 35827fea335fa9bb5cbc97454ea00441

Comments