MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 771f8774289266bebfd663e5fad42b123b34a10c13827eca4e29761a6c7aed1f. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 771f8774289266bebfd663e5fad42b123b34a10c13827eca4e29761a6c7aed1f
SHA3-384 hash: a2d1fcc70bee8b6e88796e0d771e85146fca75503a9fc5e96a4095b4ec907c62a8049b819167afffbafd48f85f9dc6b7
SHA1 hash: f02f3ac31f9b9d00867383ba095db24d5bdfedd3
MD5 hash: 21716c7990db9cc4a2e5ca6365a8b921
humanhash: wolfram-wisconsin-may-violet
File name:debug
Download: download sample
Signature Mirai
Create hunting rule
File size:43'740 bytes
First seen:2025-12-02 00:09:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:10GHCnyNlWx3Nxq6wsqRAACcXVwAeesZAG/DlW13PqT8HA8+F6LnbcuyD7UHQRjZ:102CnyNwxTq6wfA2XOANWDblWRyTZ8+n
TLSH T10713F1A54BEE013FD41F813B86EEFD5F1068784EA74641D2EA200D5D69C9B983B14FA1
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 gafgyt mirai UPX
File size (compressed) :43'740 bytes
File size (de-compressed) :99'668 bytes
Format:linux/i386
Unpacked file: da2977cb3d0369afc113d77d09e96d4b1f423c695fc655df203df15b60224f9c

Intelligence

File Origin
# of uploads :
1
# of downloads :
39
Origin country :
DE DE
Vendor Threat Intelligence
Details
No details
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/692e2e79c1a2f55fb9c4c77e/reports/103a33e5-31e0-41c6-a511-81cabdd674ef/overview
Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c058b753-c23c-4149-b9e8-c4b3756f669c
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1824044
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1824044 Sample: debug.elf Startdate: 02/12/2025 Architecture: LINUX Score: 68 32 151.242.30.13, 12121, 42434, 42436 RASANAIR Iran (ISLAMIC Republic Of) 2->32 34 daisy.ubuntu.com 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Sample is packed with UPX 2->40 8 debug.elf 2->8         started        11 python3.8 dpkg 2->11         started        signatures3 process4 file5 30 /usr/local/bin/infinitd, ELF 8->30 dropped 13 debug.elf 8->13         started        15 debug.elf sh 8->15         started        17 debug.elf sh 8->17         started        19 2 other processes 8->19 process6 process7 21 debug.elf 13->21         started        24 sh 15->24         started        26 sh 17->26         started        28 debug.elf 19->28         started        signatures8 42 Manipulation of devices in /dev 21->42 44 Deletes system log files 21->44
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/771f8774289266bebfd663e5fad42b123b34a10c13827eca4e29761a6c7aed1f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/771f8774289266bebfd663e5fad42b123b34a10c13827eca4e29761a6c7aed1f/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/771f8774289266bebfd663e5fad42b123b34a10c13827eca4e29761a6c7aed1f
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-12-02 00:10:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o4pyo5bisjtl5p6wmps7vvblci5tjiimcobh5ssoff3bu3d25upq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux persistence privilege_escalation upx
Link:
https://tria.ge/reports/251202-aga56agl6w/
Behaviour
Reads runtime system information
UPX packed file
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Deletes Audit logs
Deletes journal logs
Deletes system logs
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/2eb7e225-862a-4c27-ad3d-4f18ef442ed7
Please note that we are no longer able to provide a coverage score for Virus Total.

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 771f8774289266bebfd663e5fad42b123b34a10c13827eca4e29761a6c7aed1f

(this sample)

Mirai

elf da2977cb3d0369afc113d77d09e96d4b1f423c695fc655df203df15b60224f9c

  
URLhaus
https://urlhaus.abuse.ch/url/3719331/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 da2977cb3d0369afc113d77d09e96d4b1f423c695fc655df203df15b60224f9c
  
Dropping
MD5 157386b5e07a295571d7e46edb7c6122

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