MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dfd5a6237aef39a63ec90c0054b3ab4da38c1e2650167d26b8d0c4c8e0f8fd74. 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: 7


Intelligence 7 IOCs YARA 6 File information Comments

SHA256 hash: dfd5a6237aef39a63ec90c0054b3ab4da38c1e2650167d26b8d0c4c8e0f8fd74
SHA3-384 hash: 1e870d2482fda653412349885f4a98475f97e5643d8e38e0364e57709411e408cc5d5097ee4e311fe6d1f64a3e97ae91
SHA1 hash: 2da72838388398a5b376f012bfc260544be1cfb7
MD5 hash: 5c15785ed82f51866c4fa6224bbf0718
humanhash: maryland-wyoming-artist-william
File name:killbotx.x86_64
Download: download sample
Signature Mirai
File size:116'856 bytes
First seen:2026-08-10 17:41:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:nsZWv+LgJjAFyoW6u+LnOaaLoVrLNCrs5e:ZAY6uinDaUS
TLSH T14FB34A03B56480FDD0AAD17087AFD137EB32F99512307B5E2B807E612E26E165F1BAC1
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 cfc832390a1ebd9dfd21393e1173b4f6a812db7f3662f51c7a2109e8d7d478c2
File size (compressed) :55'008 bytes
File size (de-compressed) :116'856 bytes
Format:linux/amd64
Packed file: cfc832390a1ebd9dfd21393e1173b4f6a812db7f3662f51c7a2109e8d7d478c2

Intelligence


File Origin
# of uploads :
1
# of downloads :
57
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Opens a port
Connection attempt
Runs as daemon
Collects information on the CPU
DNS request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm expand lolbin
Status:
terminated
Behavior Graph:
%3 guuid=1bbb0511-1c00-0000-1536-dfc309090000 pid=2313 /usr/bin/sudo guuid=731e2917-1c00-0000-1536-dfc317090000 pid=2327 /tmp/sample.bin dns net send-data guuid=1bbb0511-1c00-0000-1536-dfc309090000 pid=2313->guuid=731e2917-1c00-0000-1536-dfc317090000 pid=2327 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=731e2917-1c00-0000-1536-dfc317090000 pid=2327->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con a0528efd-1018-56b4-b518-221acb0fa7ca 9.9.9.9:53 guuid=731e2917-1c00-0000-1536-dfc317090000 pid=2327->a0528efd-1018-56b4-b518-221acb0fa7ca send: 155B guuid=e5735f1b-1c00-0000-1536-dfc319090000 pid=2329 /tmp/sample.bin zombie guuid=731e2917-1c00-0000-1536-dfc317090000 pid=2327->guuid=e5735f1b-1c00-0000-1536-dfc319090000 pid=2329 clone
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-10 17:45:58 UTC
File Type:
ELF64 Little (SO)
AV detection:
8 of 36 (22.22%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm discovery linux
Behaviour
Reads runtime system information
Checks CPU configuration
Checks hardware identifiers (DMI)
Unexpected DNS network traffic destination
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:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:MossadProxy_DDoS_ELF
Author:Nokia Deepfield ERT
Description:MossadProxy DDoS bot - native ELF payload (v2.4.9 libproxy.so, v2.5.x libgbc.so)
Reference:https://github.com/deepfield/public-research/tree/main/mossadproxy
Rule name:telebot_framework
Author:vietdx.mb
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

Mirai

elf dfd5a6237aef39a63ec90c0054b3ab4da38c1e2650167d26b8d0c4c8e0f8fd74

(this sample)

Comments