MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 923638bf14721257e77848a69c2e284613fb38806d27dece379d800463667fc9. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 923638bf14721257e77848a69c2e284613fb38806d27dece379d800463667fc9
SHA3-384 hash: 41570b0348e7ff0b839729b8f798ff22a37894f5458dda226b41c61e3197393e865fffd7cd0f690aff69cc6c4db30c9f
SHA1 hash: 29c95dfb309c03f0fb3ad12a541167953a4386b6
MD5 hash: 95112c3ce35bd679d286e4a19e0cc9f8
humanhash: ack-pasta-artist-nitrogen
File name:debug
Download: download sample
Signature Mirai
Create hunting rule
File size:36'344 bytes
First seen:2025-12-03 04:52:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:jc1k0bXc77fEyV+q9wzHpskIRYhcZBvID39U2:I1kP7zELqizHpskIRWcHAq2
TLSH T1E0F2F2A6616F4F3FC96180B3660FE42B987FB488F50667055F16F842B7D1188DA358C6
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) :36'344 bytes
File size (de-compressed) :75'248 bytes
Format:linux/i386
Unpacked file: 10f9d324058f46433f00c043da6c82512c266a1fca7db8d19a4fe52e0c1bfdae

Intelligence

File Origin
# of uploads :
1
# of downloads :
23
Origin country :
DE DE
Vendor Threat Intelligence
Details
No details
Detection(s):
SecuriteInfo.com.Linux.Mirai-17.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai packed upx
Link:
https://www.filescan.io/uploads/692fc2398e26c121ec94d9d4/reports/0e1d60f9-4398-4e02-9cd8-ea1f13cc3abd/overview
Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ef821387-6ae2-4559-8013-d4739e08661a
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1825052
Signature
Deletes system log files
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1825052 Sample: debug.elf Startdate: 03/12/2025 Architecture: LINUX Score: 72 22 109.202.202.202, 80 INIT7CH Switzerland 2->22 24 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->24 26 3 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Sample is packed with UPX 2->32 7 debug.elf 2->7         started        9 xfce4-panel wrapper-2.0 2->9         started        11 xfce4-panel wrapper-2.0 2->11         started        13 9 other processes 2->13 signatures3 process4 process5 15 debug.elf 7->15         started        18 debug.elf 7->18         started        20 wrapper-2.0 xfpm-power-backlight-helper 9->20         started        signatures6 34 Manipulation of devices in /dev 15->34 36 Deletes system log files 15->36 38 Sample tries to kill multiple processes (SIGKILL) 18->38
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/923638bf14721257e77848a69c2e284613fb38806d27dece379d800463667fc9
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/923638bf14721257e77848a69c2e284613fb38806d27dece379d800463667fc9/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-03 04:53:13 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 36 (30.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=si3drpyuoijfpz3yjctjylriiyj7woeanut55trxtwaaiy3gp7eq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251203-fh28xser3t/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes Audit logs
Deletes journal logs
Deletes system logs
Mirai
Mirai family
Malware Config
C2 Extraction:
vserge42.bounceme.net
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/923638bf14721257e77848a69c2e284613fb38806d27dece379d800463667fc9

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 923638bf14721257e77848a69c2e284613fb38806d27dece379d800463667fc9

(this sample)

Mirai

elf 10f9d324058f46433f00c043da6c82512c266a1fca7db8d19a4fe52e0c1bfdae

  
URLhaus
https://urlhaus.abuse.ch/url/3720240/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 10f9d324058f46433f00c043da6c82512c266a1fca7db8d19a4fe52e0c1bfdae
  
Dropping
MD5 d7417593aade327e7d6d56af17ca8118

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