MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 921efaaa6d6a1d418adc5e361aaf814fadcc852bcd962529c1294fd5c9729a0a. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 921efaaa6d6a1d418adc5e361aaf814fadcc852bcd962529c1294fd5c9729a0a
SHA3-384 hash: 36d4bf22f8019b776edbc2a5d0226336bda651afe4b4adda7c3888c48c9bdf547356672890a4a07d62be0dea5147dab6
SHA1 hash: d42ce28f318f5f407d6fec098e24c363df4af81d
MD5 hash: 45528b243ede8e896e8feeaebc0550d0
humanhash: may-finch-neptune-happy
File name:mips
Download: download sample
Signature Mirai
Create hunting rule
File size:155'427 bytes
First seen:2025-01-30 07:11:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:JW6Bu9tS1aRG4dKP6hT/FXN2mrThPaLEnn7rNb:c6Mi6bF8mrThPaLEnn7rNb
TLSH T1E6E3A53E7A11AFBEE168827107F29F70CF9529D326A09381E26CF6185E7118D0C9FB54
telfhash t141217662513542182fb3d928acbd567315222b2363597f716f26c5cc49370e2f93ad4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
94
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-6981169-0
Create hunting rule

Unix.Dropper.Mirai-7135944-0
Create hunting rule

Unix.Dropper.Mirai-7135945-0
Create hunting rule

Unix.Dropper.Mirai-7136018-0
Create hunting rule

Unix.Dropper.Mirai-7136031-0
Create hunting rule

Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Trojan.Mirai-8041683-0
Create hunting rule

Unix.Trojan.Mirai-8041698-0
Create hunting rule

Unix.Dropper.Gafgyt-9762292-0
Create hunting rule

Unix.Trojan.Mirai-9943729-0
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=679b273e29ae628cf42b65cclinux22vpnfull_triage
Tags:
gafgyt mirai ddos
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Substitutes an application name
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
gcc lolbin remote
Link:
https://www.filescan.io/uploads/679b26444587880099b9fb84/reports/1a949ad6-a9b9-4a0b-8b55-fd506d1a1708/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/921efaaa6d6a1d418adc5e361aaf814fadcc852bcd962529c1294fd5c9729a0a
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/3b9ae2c6-0774-4a27-94c0-00d9d88e535a
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1602783
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/921efaaa6d6a1d418adc5e361aaf814fadcc852bcd962529c1294fd5c9729a0a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/921efaaa6d6a1d418adc5e361aaf814fadcc852bcd962529c1294fd5c9729a0a/
Threat name:
Linux.Trojan.LnxGafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-01-30 02:12:20 UTC
File Type:
ELF32 Big (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sippvktnnioudcw4ly3bvl4bj6w4zbjlzwlckkobffh5lslstifa._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt defense_evasion discovery
Link:
https://tria.ge/reports/250130-h1hcks1jfk/
Behaviour
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Reads system routing table
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt botnet Unix.Trojan.Mirai-6981169-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024 botnet_dedsec botnet_RyM
Link:
https://app.threat.zone/submission/76704dd6-a685-46f2-a197-d4cc68ded41f
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/921efaaa6d6a1d418adc5e361aaf814fadcc852bcd962529c1294fd5c9729a0a

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:botnet_dedsec
Create hunting rule
Author:NDA0E
Description:dedsec botnet
Rule name:botnet_RyM
Create hunting rule
Author:NDA0E
Description:RyM botnet
Rule name:Linux_Gafgyt_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Gafgyt

sh 7b944bacbb6cd388424b3da85892ae4480149dca14cc186b43ff14047aa7d71a

Mirai

elf 921efaaa6d6a1d418adc5e361aaf814fadcc852bcd962529c1294fd5c9729a0a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3419892/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3419907/
  
Dropped by
SHA256 7b944bacbb6cd388424b3da85892ae4480149dca14cc186b43ff14047aa7d71a
  
Dropped by
MD5 328a666a23ecf18270e11ee6b65f25f5
  
Dropped by
SHA256 7ba3fc024b28feb4f16b2d394548b89754b9ac96693208bb7919abadde8a2c0b
  
Dropped by
MD5 ced2fa2f5c482b9df48c94652ad1d214
  
URLhaus
https://urlhaus.abuse.ch/url/3419853/
  
URLhaus
https://urlhaus.abuse.ch/url/3419859/

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