MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa12ba1d2a63bdab85347b7327d2e2f6617bcd41c2c8d7538456f37838a8f40e. 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 13 File information Comments

SHA256 hash: fa12ba1d2a63bdab85347b7327d2e2f6617bcd41c2c8d7538456f37838a8f40e
SHA3-384 hash: 30dee9b525f2542f6bfdcde6dd7da7a8332eb2ec0d1e24abe182ace62806d3cd3e54e585760728b79a7706f4f5fab4e3
SHA1 hash: 44731b14e2199ca6d9792818b735c95d6a697ac2
MD5 hash: fef834a104ecf3040d198811a7fd73af
humanhash: bacon-hamper-blue-diet
File name:db0fa4b8db0333367e9bda3ab68b8042.x86
Download: download sample
Signature Mirai
File size:62'368 bytes
First seen:2025-10-29 15:33:08 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Oaw/xqcsbM533kcW70mKY5CRIFGZkASo+auBCa3Mr:OR/wcsw53UcW70m3kRM3ASzDoYM
TLSH T12D533AC5A543D9F9EC500A30207BFF725A76F13E2125EA8BE39D6763AE42742E10235D
telfhash t1e01120f55bba2cfcb7e49851825a175b296ee53b045036b48333ce5126eec124039c7c
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 924b4daa3d183fc7d1312a17b68aa952c8d0136918478730cd95623bb1890ed9
File size (compressed) :29'368 bytes
File size (de-compressed) :62'368 bytes
Format:linux/i386
Packed file: 924b4daa3d183fc7d1312a17b68aa952c8d0136918478730cd95623bb1890ed9

Intelligence


File Origin
# of uploads :
1
# of downloads :
28
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
Opens a port
DNS request
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-29T15:48:00Z UTC
Last seen:
2025-10-29T18:39:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=5d5c0bb5-1600-0000-0ea9-39f3a20c0000 pid=3234 /usr/bin/sudo guuid=249007b7-1600-0000-0ea9-39f3a60c0000 pid=3238 /tmp/sample.bin net guuid=5d5c0bb5-1600-0000-0ea9-39f3a20c0000 pid=3234->guuid=249007b7-1600-0000-0ea9-39f3a60c0000 pid=3238 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=249007b7-1600-0000-0ea9-39f3a60c0000 pid=3238->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=e19f2db7-1600-0000-0ea9-39f3a80c0000 pid=3240 /tmp/sample.bin dns net send-data zombie guuid=249007b7-1600-0000-0ea9-39f3a60c0000 pid=3238->guuid=e19f2db7-1600-0000-0ea9-39f3a80c0000 pid=3240 clone guuid=e19f2db7-1600-0000-0ea9-39f3a80c0000 pid=3240->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 28B 2ac2249c-25bc-5019-a88f-33a6c2731b07 cnc.504.su:56999 guuid=e19f2db7-1600-0000-0ea9-39f3a80c0000 pid=3240->2ac2249c-25bc-5019-a88f-33a6c2731b07 send: 9B guuid=864a4bb7-1600-0000-0ea9-39f3a90c0000 pid=3241 /tmp/sample.bin guuid=e19f2db7-1600-0000-0ea9-39f3a80c0000 pid=3240->guuid=864a4bb7-1600-0000-0ea9-39f3a90c0000 pid=3241 clone guuid=8f3254b7-1600-0000-0ea9-39f3aa0c0000 pid=3242 /tmp/sample.bin net net-scan send-data guuid=e19f2db7-1600-0000-0ea9-39f3a80c0000 pid=3240->guuid=8f3254b7-1600-0000-0ea9-39f3aa0c0000 pid=3242 clone guuid=bd7f5db7-1600-0000-0ea9-39f3ab0c0000 pid=3243 /tmp/sample.bin guuid=e19f2db7-1600-0000-0ea9-39f3a80c0000 pid=3240->guuid=bd7f5db7-1600-0000-0ea9-39f3ab0c0000 pid=3243 clone guuid=8f3254b7-1600-0000-0ea9-39f3aa0c0000 pid=3242->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 7437d5b0-bedc-574b-9834-27eb42742aac 192.186.48.193:23 guuid=8f3254b7-1600-0000-0ea9-39f3aa0c0000 pid=3242->7437d5b0-bedc-574b-9834-27eb42742aac send: 40B 23dea5bb-c769-54c6-b4ad-f989225d8794 34.117.136.193:23 guuid=8f3254b7-1600-0000-0ea9-39f3aa0c0000 pid=3242->23dea5bb-c769-54c6-b4ad-f989225d8794 send: 40B guuid=8f3254b7-1600-0000-0ea9-39f3aa0c0000 pid=3242|send-data send-data to 4097 IP addresses review logs to see them all guuid=8f3254b7-1600-0000-0ea9-39f3aa0c0000 pid=3242->guuid=8f3254b7-1600-0000-0ea9-39f3aa0c0000 pid=3242|send-data send
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre
Score:
60 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1804092 Sample: db0fa4b8db0333367e9bda3ab68... Startdate: 29/10/2025 Architecture: LINUX Score: 60 27 207.208.59.116 XO-AS15US United States 2->27 29 37.251.109.228, 23 XMSNL Netherlands 2->29 31 99 other IPs or domains 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 8 db0fa4b8db0333367e9bda3ab68b8042.x86.elf 2->8         started        10 xfce4-panel wrapper-2.0 2->10         started        12 xfce4-panel wrapper-2.0 2->12         started        14 6 other processes 2->14 signatures3 process4 process5 16 db0fa4b8db0333367e9bda3ab68b8042.x86.elf 8->16         started        18 wrapper-2.0 xfpm-power-backlight-helper 10->18         started        process6 20 db0fa4b8db0333367e9bda3ab68b8042.x86.elf 16->20         started        23 db0fa4b8db0333367e9bda3ab68b8042.x86.elf 16->23         started        25 db0fa4b8db0333367e9bda3ab68b8042.x86.elf 16->25         started        signatures7 37 Sample tries to kill multiple processes (SIGKILL) 20->37
Gathering data
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-10-29 21:16:41 UTC
File Type:
ELF32 Little (Exe)
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:unstable defense_evasion discovery linux
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (56837) amount of remote hosts
Creates a large amount of network flows
Malware Config
C2 Extraction:
cnc.504.su
scan.504.su
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_mirai_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects elf.mirai.
Rule name:Linux_Trojan_Mirai_804f8e7c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research

File information


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

Web download

Mirai

elf fa12ba1d2a63bdab85347b7327d2e2f6617bcd41c2c8d7538456f37838a8f40e

(this sample)

Comments