MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1875efd4743a4cb477d2f9b65c9aac7bf55403cbd372368c268d386a0bba0b6. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1875efd4743a4cb477d2f9b65c9aac7bf55403cbd372368c268d386a0bba0b6
SHA3-384 hash: fd0ad5707c086a6b4bb4760a73c2d8a3f9ffd8627315016cac7312b1593f5db6aad3b64d478f362913f0ebc108919251
SHA1 hash: 12e40fc53ab3afa07a65d284583f557f61803020
MD5 hash: 05e0d8b43d190abf44ff8fd027033941
humanhash: zebra-freddie-grey-west
File name:nwfaiehg4ewijfgriehgirehaughrarg.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:66'940 bytes
First seen:2026-03-02 18:21:42 UTC
Last seen:2026-03-02 19:32:37 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:hM+3oF/e5MMnjILFs2emKt+xJLGA65T6GUML/VIb:aPe2wgFsBmtfLGb5T6DMS
TLSH T15463024AEE2B15FEE24804333D2E8C4D67598A74F0187D6B4A13153E25B0CA67FD4ECA
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) :66'940 bytes
File size (de-compressed) :177'891 bytes
Format:linux/arm
Unpacked file: a9e70a9931c3f4ee2635084d6750a783ee1a51bd6c418268efd01004decc8206

Intelligence

File Origin
# of uploads :
3
# of downloads :
40
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/500085b0-8357-45f9-b824-6d237fe3af1a/
Detection(s):
SecuriteInfo.com.Linux.Mirai.9875.28066.6173.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Deleting a recently created file
Sends data to a server
Removes directories
Runs as daemon
DNS request
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/69a5d57010e80629d4f9001f/reports/829be7d9-cfe4-4ca6-9333-285f797b23ba/overview
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
Detections:
HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/b1875efd4743a4cb477d2f9b65c9aac7bf55403cbd372368c268d386a0bba0b6/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/73ea7d46-a0b8-4e69-beda-91f17446c2fe
Behavior Graph:
Download SVG
%3 guuid=a8b129fc-1a00-0000-a77b-57eff8080000 pid=2296 /usr/bin/sudo guuid=dbbe52fe-1a00-0000-a77b-57effe080000 pid=2302 /tmp/sample.bin guuid=a8b129fc-1a00-0000-a77b-57eff8080000 pid=2296->guuid=dbbe52fe-1a00-0000-a77b-57effe080000 pid=2302 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7847f476-3d37-4aa2-ab5b-c6fb70299dca
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b1875efd4743a4cb477d2f9b65c9aac7bf55403cbd372368c268d386a0bba0b6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b1875efd4743a4cb477d2f9b65c9aac7bf55403cbd372368c268d386a0bba0b6/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b1875efd4743a4cb477d2f9b65c9aac7bf55403cbd372368c268d386a0bba0b6
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-03-02 18:22:52 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wgdv57khiosmwr35f6nwlsnky67vkqb4xu3sg2gcndjynif3uc3a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/260302-wz5y5sct7h/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes Audit logs
Deletes journal logs
Mirai
Mirai family
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/b1875efd4743a4cb477d2f9b65c9aac7bf55403cbd372368c268d386a0bba0b6

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: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 b1875efd4743a4cb477d2f9b65c9aac7bf55403cbd372368c268d386a0bba0b6

(this sample)

Mirai

elf a9e70a9931c3f4ee2635084d6750a783ee1a51bd6c418268efd01004decc8206

  
URLhaus
https://urlhaus.abuse.ch/url/3788654/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 a9e70a9931c3f4ee2635084d6750a783ee1a51bd6c418268efd01004decc8206
  
Dropping
MD5 2b41bdd130611062d8708312df1cd25c

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