MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c90b3e8845c227ef5dc75544d9d0defe8f358f5bf2999a0bdfc00a8003b88db2. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c90b3e8845c227ef5dc75544d9d0defe8f358f5bf2999a0bdfc00a8003b88db2
SHA3-384 hash: d90c61e439aedf474c352b3150b70002ada66495314d22bf54a102bc099f827a42163c9be233bd72dce07d537f55bee8
SHA1 hash: de9c91344e0035656e2b3d5d4fb83500e7f2d5eb
MD5 hash: 503de493dc8d3ef1b4d6ed62bd9311f8
humanhash: eight-ohio-mountain-bakerloo
File name:nabsh4
Download: download sample
Signature Mirai
Create hunting rule
File size:55'208 bytes
First seen:2025-12-17 17:13:06 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:y7ss0xmIViE0aS2NXI5e+kxEijjU7tC1H5qbHov/QCN0DodPY2IBnybVR:yYnmPEQe+Pi/UBw5qEXQCNbtIBnybVR
TLSH T1CD437CA2DC6EAD54C85C66F0F0318FBB5B13510096A72FFB8566DA658003D8CF64E7AC
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
98
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6942e4b5a7163552ba01ef57/reports/cf893d09-8810-451d-b65e-4fbfd9b3ef2b/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-17T18:51:00Z UTC
Last seen:
2025-12-18T00:04:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/c90b3e8845c227ef5dc75544d9d0defe8f358f5bf2999a0bdfc00a8003b88db2/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/8fcd6b44-0d71-46e5-bd30-b37eed700cb5
Behavior Graph:
Download SVG
%3 guuid=40e25534-1800-0000-c21a-b237550c0000 pid=3157 /usr/bin/sudo guuid=0c32db35-1800-0000-c21a-b2375a0c0000 pid=3162 /tmp/sample.bin guuid=40e25534-1800-0000-c21a-b237550c0000 pid=3157->guuid=0c32db35-1800-0000-c21a-b2375a0c0000 pid=3162 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/436c7ef9-3755-4b05-aa87-5addb6ebdeb4
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1834998
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1834998 Sample: nabsh4.elf Startdate: 17/12/2025 Architecture: LINUX Score: 48 18 204.175.34.15, 23 WILSHIREASSOCIATESINCUS United States 2->18 20 117.2.71.88, 23 VIETEL-AS-APViettelGroupVN Viet Nam 2->20 22 100 other IPs or domains 2->22 24 Multi AV Scanner detection for submitted file 2->24 8 nabsh4.elf 2->8         started        signatures3 process4 process5 10 nabsh4.elf 8->10         started        process6 12 nabsh4.elf 10->12         started        14 nabsh4.elf 10->14         started        16 nabsh4.elf 10->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c90b3e8845c227ef5dc75544d9d0defe8f358f5bf2999a0bdfc00a8003b88db2
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c90b3e8845c227ef5dc75544d9d0defe8f358f5bf2999a0bdfc00a8003b88db2/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-17 17:13:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zeft5ccfyit66xohkvcntug672htld236kmzuc67yafiaa5yrwza._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251217-vrjv9shl51/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/c681b7c5-d067-4e97-bcd6-9c9f4b9a3ac3
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/c90b3e8845c227ef5dc75544d9d0defe8f358f5bf2999a0bdfc00a8003b88db2

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 c90b3e8845c227ef5dc75544d9d0defe8f358f5bf2999a0bdfc00a8003b88db2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3726343/
  
Delivery method
Distributed via web download

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