MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 538421686dce5c397070908efb6af799e32d3fdae2d137fb90dcc5078322fdd7. 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: 11


Intelligence 11 IOCs YARA 10 File information Comments

SHA256 hash: 538421686dce5c397070908efb6af799e32d3fdae2d137fb90dcc5078322fdd7
SHA3-384 hash: fbf6d1d1ecc721849d55cb704ab10e68aee670ea6cfc5fc161a58eae048830628add9532a6d6c267fe161b1bbdd87763
SHA1 hash: cc548b50a5c75d938ab8da046def515cc8591915
MD5 hash: 789df9f058c00e87e750b044480db4fc
humanhash: hamper-triple-steak-angel
File name:debug
Download: download sample
Signature Mirai
File size:75'248 bytes
First seen:2025-12-03 04:24:19 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:5UK7LFzyfPNSg3qQ/qkjV3YUlM5McWeBu98lo2abSzP9BL:5l7xENSg3z/z+TMc9UGO2RzP9BL
TLSH T154736BC7A743D0F4EC5205313177B7326AB7E27E1158DE83C7A9E932AC12642E25A39D
telfhash t1e43107f70daf4de8b7d0a950c32faf52192aee77196033a545628e14229fdc2507dc38
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 d0374247ee4d23fa97e3b44b7ba978a5e88e441d715b945a1a376929e17a707e
File size (compressed) :36'320 bytes
File size (de-compressed) :75'248 bytes
Format:linux/i386
Packed file: d0374247ee4d23fa97e3b44b7ba978a5e88e441d715b945a1a376929e17a707e

Intelligence


File Origin
# of uploads :
1
# of downloads :
27
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
No details
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Result
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Deletes system log files
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-03 04:25:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery linux
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes Audit logs
Deletes journal logs
Deletes system logs
Malware Config
C2 Extraction:
vserge42.bounceme.net
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Dropper.Mirai-7136013-0
YARA:
Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
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:Linux_Trojan_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
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_99d78950
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: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 538421686dce5c397070908efb6af799e32d3fdae2d137fb90dcc5078322fdd7

(this sample)

  
Delivery method
Distributed via web download

Comments