MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77a9c886e757d031f558681feb248a227bd02168aed168b3c617910db758e94e. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 77a9c886e757d031f558681feb248a227bd02168aed168b3c617910db758e94e
SHA3-384 hash: ce67924cc021c5a2617481c83cf3c9ba6edc52654266465d682621544cc6364dc8e21c0021e85a0758f3983f2d1c98e8
SHA1 hash: f6ea86c46d48e4920065d6ca47ccff4863a75330
MD5 hash: 3d7f2410d88afcd189765471c8b709fa
humanhash: september-rugby-fish-angel
File name:nwfaiehg4ewijfgriehgirehaughrarg.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:40'544 bytes
First seen:2026-01-11 04:32:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:nV3j7GeG72svEojYiLFJC/XJpd+LL6oxNLrQnbcuyD7UHQRj3:9j7GeG7VvE8YyJC/XJpEXxN4nouy8Hyj
TLSH T1F903F1AFFDE53385D0BE33B115783A0904208215A92A51F2AF88613BC2EA75D73587DE
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) :40'544 bytes
File size (de-compressed) :83'600 bytes
Format:linux/i386
Unpacked file: fa4c680bc93d5a3fb8b21de926866c71fcba90be8c5b02fa03de6d2ec822b6ab

Intelligence

File Origin
# of uploads :
1
# of downloads :
59
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/4ab34b29-60c5-40d9-9393-ee02738f78ce/
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Changes access rights for a written file
Sends data to a server
Removes directories
DNS request
Changes access rights for a file
Deleting a recently created file
Connection attempt
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/6963281907ef5fa68e8410e9/reports/a3905706-ac40-4113-9450-df9f911b846a/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-11T01:47:00Z UTC
Last seen:
2026-01-12T12:48:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/77a9c886e757d031f558681feb248a227bd02168aed168b3c617910db758e94e/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/55e9c3aa-4bc0-42fa-924a-348930a74e6f
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1848177
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
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/77a9c886e757d031f558681feb248a227bd02168aed168b3c617910db758e94e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/77a9c886e757d031f558681feb248a227bd02168aed168b3c617910db758e94e/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/77a9c886e757d031f558681feb248a227bd02168aed168b3c617910db758e94e
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-11 04:33:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o6u4rbxhk7idd5kynap6wjekej55ailiv3iwrm6gc6iq3n2y5fha._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/260111-e6r77agz5d/
Behaviour
Reads runtime system information
Changes its process name
Deletes log files
Enumerates running processes
Deletes Audit logs
Deletes journal logs
Deletes system logs
Mirai
Mirai family
Malware Config
C2 Extraction:
realityv3.redirectme.net
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/9a1e0a84-0f39-4a19-940d-510528784b59
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/77a9c886e757d031f558681feb248a227bd02168aed168b3c617910db758e94e

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 77a9c886e757d031f558681feb248a227bd02168aed168b3c617910db758e94e

(this sample)

Mirai

elf fa4c680bc93d5a3fb8b21de926866c71fcba90be8c5b02fa03de6d2ec822b6ab

  
URLhaus
https://urlhaus.abuse.ch/url/3755681/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 fa4c680bc93d5a3fb8b21de926866c71fcba90be8c5b02fa03de6d2ec822b6ab
  
Dropping
MD5 85cf63d70fdf9652b0802b1246ce7df6

Comments