MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8640f5d044ddd18b9d43149cb46b2605038499b990a1ef31d27c01fe2ae07eb1. 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: 8640f5d044ddd18b9d43149cb46b2605038499b990a1ef31d27c01fe2ae07eb1
SHA3-384 hash: 5653df614424139766f07e58fa2398e94a36f840232a84593a62d12d8904a76c02ab8fcc1c71b233279c1e357c21852b
SHA1 hash: d753a739619927e4ed0ce833394a2be42f110646
MD5 hash: 2ca5b52e4984a3893d1759f61cdcb580
humanhash: cardinal-oxygen-fix-glucose
File name:armv6
Download: download sample
Signature Mirai
File size:213'892 bytes
First seen:2026-01-04 18:43:17 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 6144:DmOH8mqcmIQ8MdwMV5+Oe3HMCuuas6zE0:DcmqHQMVIzTgzE0
TLSH T19124085DE4908B3AC7C1257AFA55428E33734F24EFEA731989345B343BE66295E3E201
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 49a9fe989569e30072b57e5ba13045380c80d79dd5c4f9e927d4bd287d545146
File size (compressed) :92'260 bytes
File size (de-compressed) :213'892 bytes
Format:linux/arm
Packed file: 49a9fe989569e30072b57e5ba13045380c80d79dd5c4f9e927d4bd287d545146

Intelligence


File Origin
# of uploads :
1
# of downloads :
94
Origin country :
NL NL
Vendor Threat Intelligence
No detections
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:
gcc mirai rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-04T18:48:00Z UTC
Last seen:
2026-01-04T19:23:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=75be5bfa-1900-0000-367c-fcae5f0b0000 pid=2911 /usr/bin/sudo guuid=f1f28dfc-1900-0000-367c-fcae650b0000 pid=2917 /tmp/sample.bin guuid=75be5bfa-1900-0000-367c-fcae5f0b0000 pid=2911->guuid=f1f28dfc-1900-0000-367c-fcae650b0000 pid=2917 execve
Result
Threat name:
n/a
Detection:
clean
Classification:
n/a
Score:
3 / 100
Behaviour
Behavior Graph:
n/a
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-04 18:44:15 UTC
File Type:
ELF32 Little (SO)
AV detection:
6 of 24 (25.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  4/10
Tags:
discovery
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_arm_mips_ko_so
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 8640f5d044ddd18b9d43149cb46b2605038499b990a1ef31d27c01fe2ae07eb1

(this sample)

  
Delivery method
Distributed via web download

Comments