MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2ad71184d7ccc265f7d4f9ba366a5c173eab687e6b52615d409a42dac540288. 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: 6


Intelligence 6 IOCs YARA 4 File information Comments

SHA256 hash: b2ad71184d7ccc265f7d4f9ba366a5c173eab687e6b52615d409a42dac540288
SHA3-384 hash: 9acc54be86e29d84699b355ad8df88a2b1c55e2f650e8475cc5321a79c11d83743addfcd45cf49a1826e848040d32038
SHA1 hash: 93db9566fb0bbecd3da5f251a44ef5b6e55be648
MD5 hash: 21732a87e4b81b2bc05245667f293bdd
humanhash: pasta-grey-six-chicken
File name:mips.nn
Download: download sample
Signature Mirai
File size:153'336 bytes
First seen:2025-07-31 05:02:12 UTC
Last seen:2025-07-31 16:32:52 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:/mGZCNVsX3lP6z4gjdkRx3PSjKB0fuLykSs1ioBycXF3YClx0et+PGqoXpYaeaGb:/ig90VjdcCKBDBhF3qa+Pui6/d/cTj
TLSH T15CE3E70E6E218F6DF7A9C33407F78E21A75927D727D1D686E16CD2101E6024E681FFA8
telfhash t11b2153184f7813e477355c99155def7bd6a330db29226c278e11646a6b7d8829e20c0d
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
3
# of downloads :
27
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Creating a file
Creates or modifies symbolic links
Receives data from a server
Connection attempt
Mounts file systems
Runs as daemon
Collects information on the network activity
Substitutes an application name
Deletes a system binary file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin remote
Status:
terminated
Behavior Graph:
%3 guuid=51d38ba1-1a00-0000-03e4-a5a13b0b0000 pid=2875 /usr/bin/sudo guuid=5dcc66a3-1a00-0000-03e4-a5a1420b0000 pid=2882 /tmp/sample.bin guuid=51d38ba1-1a00-0000-03e4-a5a13b0b0000 pid=2875->guuid=5dcc66a3-1a00-0000-03e4-a5a1420b0000 pid=2882 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
64 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1747510 Sample: mips.nn.elf Startdate: 31/07/2025 Architecture: LINUX Score: 64 24 Antivirus / Scanner detection for submitted sample 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Mirai 2->28 8 mips.nn.elf 2->8         started        10 udisksd dumpe2fs 2->10         started        12 udisksd dumpe2fs 2->12         started        14 5 other processes 2->14 process3 process4 16 mips.nn.elf 8->16         started        process5 18 mips.nn.elf 16->18         started        20 mips.nn.elf 16->20         started        process6 22 mips.nn.elf 18->22         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-07-31 05:03:22 UTC
File Type:
ELF32 Big (Exe)
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Enumerates running processes
Modifies Watchdog functionality
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:gorilla
Author:Marc
Description:Samples used by gorilla botnet (mirai variant)
Rule name:gorilla_keykey
Author:Your Name
Description:Detects specific hex string in a file
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 b2ad71184d7ccc265f7d4f9ba366a5c173eab687e6b52615d409a42dac540288

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments