MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef2f93ef1a99bcf4c73cb89f6d1ce533d4e5e76488ea3d9cb58e620e5c13d92b. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef2f93ef1a99bcf4c73cb89f6d1ce533d4e5e76488ea3d9cb58e620e5c13d92b
SHA3-384 hash: bd267ff4ebdc68713f19ac1e586b4d0a486d8350e075a65ff0d1cb3ffb43301d5fc18d83adc0022d6618441f012e5c2a
SHA1 hash: a73cf0da2ddf8b060c798476da7cab547dd62f46
MD5 hash: be6081d07ac36060143a73f729ee89d6
humanhash: lemon-lithium-kilo-vegan
File name:armv6
Download: download sample
Signature Mirai
Create hunting rule
File size:248'600 bytes
First seen:2026-01-12 01:45:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 6144:3j5AMybHx+kNjFQ6N0etDmzh3A9VHWcp+B9TuwIXy40BLDW+KfS37+VJdik:lAy3A9VHiu9+LDj4Ldik
TLSH T16534095DF880D77ACBC0217AFA5602CD33735F64EBEE320589356B383BD6A15993A241
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 aec6c005b2976017c0b8655aa3ff28dffb4d616c2dd9c132186f7b3e5bd51598
File size (compressed) :100'588 bytes
File size (de-compressed) :248'600 bytes
Format:linux/arm
Packed file: aec6c005b2976017c0b8655aa3ff28dffb4d616c2dd9c132186f7b3e5bd51598

Intelligence

File Origin
# of uploads :
1
# of downloads :
95
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Receives data from a server
Opens a port
Sends data to a server
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc rust
Link:
https://www.filescan.io/uploads/6964526730368802bb80bdb2/reports/463d043f-05be-4261-8b97-1a6a98dc1edd/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-12T00:08:00Z UTC
Last seen:
2026-01-12T00:47:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/ef2f93ef1a99bcf4c73cb89f6d1ce533d4e5e76488ea3d9cb58e620e5c13d92b/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/80e8d8ef-d034-45a5-ac12-4bfb672f0286
Behavior Graph:
Download SVG
%3 guuid=3e6b8cb6-1900-0000-42bb-d8095e090000 pid=2398 /usr/bin/sudo guuid=c41babb8-1900-0000-42bb-d80964090000 pid=2404 /tmp/sample.bin guuid=3e6b8cb6-1900-0000-42bb-d8095e090000 pid=2398->guuid=c41babb8-1900-0000-42bb-d80964090000 pid=2404 execve
Malware family:
Ngioweb
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/16a10919-46c4-4c48-902b-dea24bb7104d
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1848703
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ef2f93ef1a99bcf4c73cb89f6d1ce533d4e5e76488ea3d9cb58e620e5c13d92b
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ef2f93ef1a99bcf4c73cb89f6d1ce533d4e5e76488ea3d9cb58e620e5c13d92b/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-12 01:46:12 UTC
File Type:
ELF32 Little (SO)
AV detection:
7 of 36 (19.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=54xzh3y2tg6pjrz4xcpw2hhfgpkolz3erdvd3hfvrzra4xat3evq._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
discovery
Link:
https://tria.ge/reports/260112-b62j3shz7c/
Behaviour
Reads runtime system information
Changes its process name
Verdict:
Unknown
Tags:
botnet persirai trojan
YARA:
Persirai elf_persirai_w0
Link:
https://app.threat.zone/submission/cc61f156-f621-437f-a10f-47fa7dccc50b
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/ef2f93ef1a99bcf4c73cb89f6d1ce533d4e5e76488ea3d9cb58e620e5c13d92b

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
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:elf_arm_mips_ko_so
Create hunting rule
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:elf_persirai_w0
Create hunting rule
Author:Tim Yeh
Description:Detects Persirai Botnet Malware
Reference:Internal Research
Rule name:iot_req_metachar
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:testlumma
Create hunting rule
Rule name:unixredflags3
Create hunting rule
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 aec6c005b2976017c0b8655aa3ff28dffb4d616c2dd9c132186f7b3e5bd51598

Mirai

elf ef2f93ef1a99bcf4c73cb89f6d1ce533d4e5e76488ea3d9cb58e620e5c13d92b

(this sample)

  
Dropped by
SHA256 aec6c005b2976017c0b8655aa3ff28dffb4d616c2dd9c132186f7b3e5bd51598
  
URLhaus
https://urlhaus.abuse.ch/url/3755959/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 4029f67e87ccb7e1af1451d67cf79e42
  
URLhaus
https://urlhaus.abuse.ch/url/3755983/
  
URLhaus
https://urlhaus.abuse.ch/url/3748912/

Comments