MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d6a71ee15c12dd87db5dca99bedb11e93d0909867e472a7991dab65c484b5bb. 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 4 File information Comments

SHA256 hash: 3d6a71ee15c12dd87db5dca99bedb11e93d0909867e472a7991dab65c484b5bb
SHA3-384 hash: 34cb7729f6823fae47ae0063497b7c0926e306991a9e0a7c12184a109a29b505500ff6d8d57b57162baf4f668dbe639d
SHA1 hash: 7b7fef3f7c0953db514904adec94961d403a65f8
MD5 hash: bef638af1a926587edc0fb2d55e13ae4
humanhash: utah-indigo-butter-alpha
File name:kvariant.sh4
Download: download sample
Signature Mirai
File size:72'188 bytes
First seen:2025-10-07 22:36:41 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:rVnts+cRVbswEHisTK1b5SZ2jA5Sab6+w6ClJoR:V9HJW182jANC6j
TLSH T108637C52C87A2D28D458A8B0F4F1CF795B63E99191870FD59062C3798053EEDF9893B8
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
132
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-07T20:41:00Z UTC
Last seen:
2025-10-07T21:02:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=a3034559-1900-0000-6853-e1c90c100000 pid=4108 /usr/bin/sudo guuid=78ef3a5b-1900-0000-6853-e1c915100000 pid=4117 /tmp/sample.bin guuid=a3034559-1900-0000-6853-e1c90c100000 pid=4108->guuid=78ef3a5b-1900-0000-6853-e1c915100000 pid=4117 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many IPs within the same subnet mask (likely port scanning)
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1791054 Sample: kvariant.sh4.elf Startdate: 08/10/2025 Architecture: LINUX Score: 80 25 223.8.163.1 CHINANET-BACKBONENo31Jin-rongStreetCN China 2->25 27 156.158.74.13, 37215 airtel-tz-asTZ Tanzania United Republic of 2->27 29 99 other IPs or domains 2->29 31 Antivirus / Scanner detection for submitted sample 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 Yara detected Mirai 2->35 37 2 other signatures 2->37 9 kvariant.sh4.elf 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        15 python3.8 dpkg 2->15         started        signatures3 process4 process5 17 kvariant.sh4.elf 9->17         started        process6 19 kvariant.sh4.elf 17->19         started        process7 21 kvariant.sh4.elf 19->21         started        23 kvariant.sh4.elf 19->23         started       
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-10-07 22:37:48 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136288-0
YARA:
n/a
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:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:unixredflags3
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

Mirai

elf 3d6a71ee15c12dd87db5dca99bedb11e93d0909867e472a7991dab65c484b5bb

(this sample)

  
Delivery method
Distributed via web download

Comments