MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bff688f2817cc74b2475f40edbec64df2132a73307a5f318f3080c3765c8a90. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: 4bff688f2817cc74b2475f40edbec64df2132a73307a5f318f3080c3765c8a90
SHA3-384 hash: 98ab159dd46d1ee2e10a4194862e904da62e9a49548c44f8b6d9f68a6130a0ac87f11896f4f101c66770864de1505fba
SHA1 hash: 1d11cd9b84bee69221c445286e2ffc9935d3d08d
MD5 hash: fcf73ae13534b5f8cd43a696e1e5ccad
humanhash: steak-delta-nineteen-social
File name:x86_64
Download: download sample
Signature Mirai
File size:83'040 bytes
First seen:2026-01-04 23:20:30 UTC
Last seen:2026-01-11 08:20:41 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:EhmyLPX/xSucVhGTtcQaCKL902zr/gd3HtunPaAoKzw5Ga:PyLpSrkTLaFL2mnPaCa
TLSH T1298302AF2E9ED8EDE10FFA7E1268A37A6208BC41185C1972E50110E4CDD4D55AEF1A1C
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
File size (compressed) :83'040 bytes
File size (de-compressed) :187'936 bytes
Format:linux/amd64
Unpacked file: e431329d953ef1a4e098cb13b3fa98565995b84dc106712c2e57e7a4a3fb9d1f

Intelligence


File Origin
# of uploads :
2
# of downloads :
59
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Connection attempt
Sends data to a server
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed tsunami upx
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-01-04T18:48:00Z UTC
Last seen:
2026-01-05T00:18:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=aa0e9075-1b00-0000-0a66-65c7c6090000 pid=2502 /usr/bin/sudo guuid=a47a4877-1b00-0000-0a66-65c7cd090000 pid=2509 /tmp/sample.bin mprotect-exec net send-data guuid=aa0e9075-1b00-0000-0a66-65c7c6090000 pid=2502->guuid=a47a4877-1b00-0000-0a66-65c7cd090000 pid=2509 execve a5936dd4-c628-5e5e-8df7-ab4376aee3f4 91.92.240.38:666 guuid=a47a4877-1b00-0000-0a66-65c7cd090000 pid=2509->a5936dd4-c628-5e5e-8df7-ab4376aee3f4 send: 29B
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-04 23:21:16 UTC
File Type:
ELF64 Little (SO)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery linux upx
Behaviour
Reads runtime system information
Changes its process name
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf 4bff688f2817cc74b2475f40edbec64df2132a73307a5f318f3080c3765c8a90

(this sample)

  
Delivery method
Distributed via web download

Comments