MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a99375248678d3f9d7391d7756c0bff9a1c24b293a2aff4444b5b1ac8a2063d. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a99375248678d3f9d7391d7756c0bff9a1c24b293a2aff4444b5b1ac8a2063d
SHA3-384 hash: 6841e7fcc1916429deaf4f286e7fce308fdd9cc12819931b1f047b462888baa847fabc5125a6f966d14611db5192a204
SHA1 hash: 51a5fa580df96d96111c4e0b11accab3c50167a2
MD5 hash: 75fcc0be958aa4186f898ea7a351e312
humanhash: comet-finch-lion-carbon
File name:narm6
Download: download sample
Signature Mirai
Create hunting rule
File size:97'464 bytes
First seen:2025-12-20 13:03:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:4nsnAO0Y+Y2KHICj2XrMDemJZt0au5x8WCBD1iVfhGSgVA7pR5bY1gbN:4fOxtoI2XtyZt0aunfhGSgVAdR97N
TLSH T169933B56F9818B21D6D112BAFA1E118E3313177CE2EE7212DD146F6477CB96B0E7B802
telfhash t123f05942a98c5bdc32d5285dc6fa2a1f412939ac156076890eadea0f0262cf27004438
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 667de5e07ac22a6290bb25967816c44952820e0c4f8ad3d2627dfbf81ed247f9
File size (compressed) :43'696 bytes
File size (de-compressed) :97'464 bytes
Format:linux/arm
Packed file: 667de5e07ac22a6290bb25967816c44952820e0c4f8ad3d2627dfbf81ed247f9

Intelligence

File Origin
# of uploads :
1
# of downloads :
102
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/4aa16568-5e7f-48a9-b882-c8bcdcbfc71d/
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10056451-0
Create hunting rule

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

Unix.Trojan.Mirai-10057788-0
Create hunting rule

Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-20T11:00:00Z UTC
Last seen:
2025-12-20T12:39:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/4a99375248678d3f9d7391d7756c0bff9a1c24b293a2aff4444b5b1ac8a2063d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/89f7b187-aa22-4270-a7ab-f3a23b432e21
Behavior Graph:
Download SVG
%3 guuid=64cdabbb-2000-0000-f810-170f150c0000 pid=3093 /usr/bin/sudo guuid=21c64ebd-2000-0000-f810-170f1c0c0000 pid=3100 /tmp/sample.bin guuid=64cdabbb-2000-0000-f810-170f150c0000 pid=3093->guuid=21c64ebd-2000-0000-f810-170f1c0c0000 pid=3100 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ed4f5a28-bd29-4a7e-bfa9-f8e7e9466569
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1836724
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4a99375248678d3f9d7391d7756c0bff9a1c24b293a2aff4444b5b1ac8a2063d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4a99375248678d3f9d7391d7756c0bff9a1c24b293a2aff4444b5b1ac8a2063d/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-20 13:04:33 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jkmtousim6gt7hltshlxk3al76nbyjfssork75cejnnrvsfcay6q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251220-qa8qvabv5b/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10056451-0
YARA:
n/a
Link:
https://app.threat.zone/submission/e395cfb8-0024-4857-b0b9-4f6683df9916
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/4a99375248678d3f9d7391d7756c0bff9a1c24b293a2aff4444b5b1ac8a2063d

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: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 667de5e07ac22a6290bb25967816c44952820e0c4f8ad3d2627dfbf81ed247f9

Mirai

elf 4a99375248678d3f9d7391d7756c0bff9a1c24b293a2aff4444b5b1ac8a2063d

(this sample)

  
Dropped by
SHA256 667de5e07ac22a6290bb25967816c44952820e0c4f8ad3d2627dfbf81ed247f9
  
URLhaus
https://urlhaus.abuse.ch/url/3737953/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 9fe8e06e7219831f581e9f2f6f6dce80

Comments