MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37c634fbfbfce823c3e25f381578336d285b49208ad9bb155493ab2b3923d23a. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 37c634fbfbfce823c3e25f381578336d285b49208ad9bb155493ab2b3923d23a
SHA3-384 hash: 33938634c4f5dc8675de6157c4a7e1cae3d52dfce3e4763f77c0f05989d9e8267550da9eea5a7cce23b3f3a24fa0ab1c
SHA1 hash: 37b07fdaaa8d9e1f9c3a8c19477c027e0cd9231d
MD5 hash: 39108120e65e9826c79ca99378ebc7b5
humanhash: west-lake-uniform-quebec
File name:frost.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:29'516 bytes
First seen:2025-12-22 13:11:32 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:qKvNh1j2qV/6/sUwdjNdyltgHexBdXJgGlzDpbuR1J6e:qOrRCsUaHeLdVVJu4e
TLSH T1DAD2D16C5E9804ADE13180B515768BB1EE392FA2E5D34413EB86F782CCD90352DE7ED0
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) :29'516 bytes
File size (de-compressed) :84'756 bytes
Format:linux/mips
Unpacked file: 29326a9155e6a64ea787cd576899acddd87553767cd4c4ccc4c8de15c8fef0a9

Intelligence

File Origin
# of uploads :
1
# of downloads :
57
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/8681022e-26b0-4dd6-a58f-a2ea77165b5e/
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
botnet gafgyt masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/694943ae3f8fdbf8e94eaee0/reports/24f2c2e4-69f8-414e-b806-7a6c77fda8fb/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-22T09:27:00Z UTC
Last seen:
2025-12-22T10:15:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.x HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.fg HEUR:Backdoor.Linux.Mirai.ew HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.c HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/37c634fbfbfce823c3e25f381578336d285b49208ad9bb155493ab2b3923d23a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/efdcf35c-625b-44a9-ac85-f5fb7c9a4817
Behavior Graph:
Download SVG
%3 guuid=3021c26b-1900-0000-0c1d-8920b40f0000 pid=4020 /usr/bin/sudo guuid=6f56fb6d-1900-0000-0c1d-8920c00f0000 pid=4032 /tmp/sample.bin guuid=3021c26b-1900-0000-0c1d-8920b40f0000 pid=4020->guuid=6f56fb6d-1900-0000-0c1d-8920c00f0000 pid=4032 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a7719543-b6f7-4f50-a276-e3e02c36d06f
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1837629
Signature
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Suricata IDS alerts for network traffic
Uses dynamic DNS services
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1837629 Sample: frost.mips.elf Startdate: 22/12/2025 Architecture: LINUX Score: 100 22 securecameoutgay.ddns.net 2->22 24 197.152.130.213 airtel-tz-asTZ Tanzania United Republic of 2->24 26 99 other IPs or domains 2->26 28 Suricata IDS alerts for network traffic 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Multi AV Scanner detection for submitted file 2->32 36 4 other signatures 2->36 8 frost.mips.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 34 Uses dynamic DNS services 22->34 process4 process5 14 frost.mips.elf 8->14         started        process6 16 frost.mips.elf 14->16         started        18 frost.mips.elf 14->18         started        20 frost.mips.elf 14->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/37c634fbfbfce823c3e25f381578336d285b49208ad9bb155493ab2b3923d23a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/37c634fbfbfce823c3e25f381578336d285b49208ad9bb155493ab2b3923d23a/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/37c634fbfbfce823c3e25f381578336d285b49208ad9bb155493ab2b3923d23a
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-22 12:23:32 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g7ddj6737tuchq7cl44bk6btnuufwsjarlm3wfkusovswojd2i5a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:botnet botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/251222-qfq3zsap6y/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (113386) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/cdfe6959-0310-4643-adb1-8c206aaf5a90
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/37c634fbfbfce823c3e25f381578336d285b49208ad9bb155493ab2b3923d23a

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: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 37c634fbfbfce823c3e25f381578336d285b49208ad9bb155493ab2b3923d23a

(this sample)

Mirai

elf 29326a9155e6a64ea787cd576899acddd87553767cd4c4ccc4c8de15c8fef0a9

  
URLhaus
https://urlhaus.abuse.ch/url/3738387/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 29326a9155e6a64ea787cd576899acddd87553767cd4c4ccc4c8de15c8fef0a9
  
Dropping
MD5 5507897e8889ec272dc3e798893f9ca6

Comments