MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4bf8747277b370338eab23de51f884b58d0a8f58c89d7e4c955847a0cd0f582. 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 9 File information Comments

SHA256 hash: f4bf8747277b370338eab23de51f884b58d0a8f58c89d7e4c955847a0cd0f582
SHA3-384 hash: a839a73bbb133d8e227bcc5d209d1a0da42a07bba6717285809e28bfb2ce27298f6966a1ef05e8303d244ae710518bd4
SHA1 hash: 190697c999ed86a5ca1aec4e44e1847c83fe0165
MD5 hash: 7cc15b1c2faefd22c8142be4bdfe7cfe
humanhash: twenty-indigo-twenty-sixteen
File name:i686
Download: download sample
Signature Mirai
File size:206'000 bytes
First seen:2026-01-12 00:56:32 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:KIz/wVP5qzZjy+V84f9chytjo3cH3XdtvaaF4tYPhE0R+LTEeTMBGLRijz2Sdj:Vz/wVP5kO+ezWjo3cTD5hE0de/ceSdj
TLSH T1FC146C07FA82C1F2E19306B25097CB5A5734C9311316CD07FB899E79BC7560A8A1B7BE
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 7ca7fbe4318ecd58ef896a4f799e97f61f0812097e668f38e55313feaf90d0a6
File size (compressed) :90'076 bytes
File size (de-compressed) :206'000 bytes
Format:linux/i386
Packed file: 7ca7fbe4318ecd58ef896a4f799e97f61f0812097e668f38e55313feaf90d0a6

Intelligence


File Origin
# of uploads :
1
# of downloads :
84
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Opens a port
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-12T00:05:00Z UTC
Last seen:
2026-01-12T00:47:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=7436acf1-1a00-0000-126f-d48c6b0c0000 pid=3179 /usr/bin/sudo guuid=a093bff3-1a00-0000-126f-d48c700c0000 pid=3184 /tmp/sample.bin net send-data guuid=7436acf1-1a00-0000-126f-d48c6b0c0000 pid=3179->guuid=a093bff3-1a00-0000-126f-d48c700c0000 pid=3184 execve a5936dd4-c628-5e5e-8df7-ab4376aee3f4 91.92.240.38:666 guuid=a093bff3-1a00-0000-126f-d48c700c0000 pid=3184->a5936dd4-c628-5e5e-8df7-ab4376aee3f4 send: 29B
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
52 / 100
Signature
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1848649 Sample: i686.elf Startdate: 12/01/2026 Architecture: LINUX Score: 52 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 91.92.240.38, 42590, 666 THEZONEBG Bulgaria 2->16 18 3 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 22 Contains symbols with names commonly found in malware 2->22 6 dash rm 2->6         started        8 dash rm 2->8         started        10 python3.8 dpkg 2->10         started        12 i686.elf 2->12         started        signatures3 process4
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-12 00:57:37 UTC
File Type:
ELF32 Little (SO)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  4/10
Tags:
discovery linux
Behaviour
Reads runtime system information
Changes its process name
Verdict:
Unknown
Tags:
botnet persirai trojan
YARA:
Persirai elf_persirai_w0
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:elf_persirai_w0
Author:Tim Yeh
Description:Detects Persirai Botnet Malware
Reference:Internal Research
Rule name:iot_req_metachar
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:testlumma
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 f4bf8747277b370338eab23de51f884b58d0a8f58c89d7e4c955847a0cd0f582

(this sample)

Comments