MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42c5c06ffbfbfb8ff349513a988b73aaabd4742b1f5aeb449d9439bc5dd8dd3d. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: 42c5c06ffbfbfb8ff349513a988b73aaabd4742b1f5aeb449d9439bc5dd8dd3d
SHA3-384 hash: 9851dbf35ad4c8e3e85bf6ef18e662017760d7067e2421e246c898b0376b4a0b846127178e4b9994e310b8e14cfe1e35
SHA1 hash: 7363f01359c662a494acb586313d9730818569fa
MD5 hash: 859cf2edb95c77e05ee0d3e250cb1391
humanhash: helium-bulldog-skylark-utah
File name:splarm7
Download: download sample
Signature Mirai
File size:120'480 bytes
First seen:2025-12-17 19:08:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:fvXyadaxG+OKhwEjIoaKhRZ9jCei90Rg/7uzONKnR+:fviadKQOwAjaKhRZ9jCJ93/qzOb
TLSH T12CC30746F8819B11D5D625BEFE1E518D331357B8E3EE7212DD20AF25378A82B0E7B901
telfhash t179d02b21cb400e9ca2e6c415d6fe196753acb1563f0d1421cafd5ecac853095f11c57e
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
46
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
DNS request
Creating a file
Connection attempt
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-17T16:23:00Z UTC
Last seen:
2025-12-19T00:17:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gp HEUR:Backdoor.Linux.Mirai.gen HEUR:Backdoor.Linux.Gafgyt.go
Status:
terminated
Behavior Graph:
%3 guuid=08b7c207-1d00-0000-574a-31f8a9090000 pid=2473 /usr/bin/sudo guuid=61f7460b-1d00-0000-574a-31f8ae090000 pid=2478 /tmp/sample.bin guuid=08b7c207-1d00-0000-574a-31f8a9090000 pid=2473->guuid=61f7460b-1d00-0000-574a-31f8ae090000 pid=2478 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
64 / 100
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Sample scans a subnet
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1835194 Sample: splarm7.elf Startdate: 17/12/2025 Architecture: LINUX Score: 64 24 213.43.114.200, 23, 55684 TURKCELL-ASTurkcellASTR Turkey 2->24 26 213.43.114.201, 23, 32954 TURKCELL-ASTurkcellASTR Turkey 2->26 28 100 other IPs or domains 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Mirai 2->32 34 Connects to many IPs within the same subnet mask (likely port scanning) 2->34 36 Sample scans a subnet 2->36 8 splarm7.elf 2->8         started        10 dash rm 2->10         started        12 dash head 2->12         started        14 8 other processes 2->14 signatures3 process4 process5 16 splarm7.elf 8->16         started        process6 18 splarm7.elf 16->18         started        20 splarm7.elf 16->20         started        22 splarm7.elf 16->22         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-17 19:09:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Renames itself
Contacts a large (1812) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
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:Linux_Generic_Threat_8299c877
Author:Elastic Security
Rule name:Mal_LNX_Mirai_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
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 42c5c06ffbfbfb8ff349513a988b73aaabd4742b1f5aeb449d9439bc5dd8dd3d

(this sample)

  
Delivery method
Distributed via web download

Comments