MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a9fddce413c8ae8176038a346deef0b3635151815ff524c32f9dbbc5b9d1c7d. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a9fddce413c8ae8176038a346deef0b3635151815ff524c32f9dbbc5b9d1c7d
SHA3-384 hash: fa1bee7e41b7ff05271f26213dbb21e39a25974a7a5922c9ae3a245c653c70d5d6293af90aface506430c2d7f29972e8
SHA1 hash: 935d6b4281b596dbd3dc4491408228c8b67fd7d6
MD5 hash: 436550e91910f0d49f3164e35bb3aaac
humanhash: tango-mockingbird-wyoming-asparagus
File name:sora.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:27'244 bytes
First seen:2025-08-20 20:25:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:MuCUFskb2JgIs/E2+OocrfJiHNjfmQ2q7IoqdBJ2RtWR:5CrJgHiOJrfwmQrctx2RW
TLSH T1AEC2E1DFB49A3985CD0C5CBC219D5AD116A9A2C7234B8F0837202DCDA67755FB89C8B8
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) :27'244 bytes
File size (de-compressed) :71'764 bytes
Format:linux/mipsel
Unpacked file: 48fdac886f19a0381991cf185b730b03d2dedbdca72cdf7696511c2c52d7ff41

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-20.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7831925-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Runs as daemon
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed threat upx
Link:
https://www.filescan.io/uploads/68a62f57a4bdac9f5ba16c7d/reports/6e954dd4-f920-4810-9d70-c6a0669dd48a/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/526bc657-30f1-40d4-bf1a-fa0ce5e0e183
Behavior Graph:
Download SVG
%3 guuid=7f4834a1-1b00-0000-4d8a-e7f1b30c0000 pid=3251 /usr/bin/sudo guuid=2e552aa4-1b00-0000-4d8a-e7f1ba0c0000 pid=3258 /tmp/sample.bin guuid=7f4834a1-1b00-0000-4d8a-e7f1b30c0000 pid=3251->guuid=2e552aa4-1b00-0000-4d8a-e7f1ba0c0000 pid=3258 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e8174460-5c0d-461f-9692-4d588e250c71
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1761449
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1761449 Sample: sora.mpsl.elf Startdate: 20/08/2025 Architecture: LINUX Score: 68 24 103.43.15.179 XIAOZHIYUN1-AS-APICIDCNETWORKUS Hong Kong 2->24 26 45.65.142.115 WASHINGTONMARCONEDEOLIVEIRABR Brazil 2->26 28 98 other IPs or domains 2->28 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Uses known network protocols on non-standard ports 2->36 38 Sample is packed with UPX 2->38 8 sora.mpsl.elf 2->8         started        signatures3 process4 process5 10 sora.mpsl.elf 8->10         started        12 sora.mpsl.elf 8->12         started        15 sora.mpsl.elf 8->15         started        signatures6 17 sora.mpsl.elf 10->17         started        20 sora.mpsl.elf 10->20         started        22 sora.mpsl.elf 10->22         started        40 Sample tries to kill multiple processes (SIGKILL) 12->40 process7 signatures8 30 Sample tries to kill multiple processes (SIGKILL) 17->30
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4a9fddce413c8ae8176038a346deef0b3635151815ff524c32f9dbbc5b9d1c7d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4a9fddce413c8ae8176038a346deef0b3635151815ff524c32f9dbbc5b9d1c7d/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-20 20:26:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jkp53tsbhsfoqf3ahcrunxxpbm3dkfiycx7vetbs7hn3yw45dr6q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:sora botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/250820-y7spwsxly6/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Modifies Watchdog functionality
Contacts a large (93071) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7831925-0
YARA:
n/a
Link:
https://app.threat.zone/submission/a9ac0b26-41d2-44f8-b10d-556c3adee0de
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/4a9fddce413c8ae8176038a346deef0b3635151815ff524c32f9dbbc5b9d1c7d

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 4a9fddce413c8ae8176038a346deef0b3635151815ff524c32f9dbbc5b9d1c7d

(this sample)

Mirai

elf 48fdac886f19a0381991cf185b730b03d2dedbdca72cdf7696511c2c52d7ff41

  
URLhaus
https://urlhaus.abuse.ch/url/3607461/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 48fdac886f19a0381991cf185b730b03d2dedbdca72cdf7696511c2c52d7ff41
  
Dropping
MD5 52c4647a5ad51870ac4824b6f562113d

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments