MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9fd1151f6e0b48b58fc48b95fa9c09b9d20fd89c0ed97e93f22e87e0787b6ffd. 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 8 File information Comments

SHA256 hash: 9fd1151f6e0b48b58fc48b95fa9c09b9d20fd89c0ed97e93f22e87e0787b6ffd
SHA3-384 hash: 487ea69d3947f1a7c6e0e7e71a2f74d598e34c939807afbf2c795b651a8b67edbb84a3af3e21f3925f1e306f38c0a4b5
SHA1 hash: 0a95f8516478622952e3b8a095285553cb4c8720
MD5 hash: 9672d89f129f8ffe9d8be70c2b77de0e
humanhash: tennis-march-oklahoma-colorado
File name:cemtop
Download: download sample
Signature Mirai
File size:240'420 bytes
First seen:2025-05-16 07:59:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:n14ZkyaoWs1R29Frvqm8qR/49qHEkuOSX:n14D1j1Y9UhqR/49qHEkuOSX
TLSH T1D334011EA7619DBBD81ECE3B02DA4542409D865A07DF5F2F77E0CA68E38650F61E3C48
telfhash t15631ff5279f6492d6bf3682858fc47611556f9227321afb4bf5e81904933002b875f8e
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
97
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Gains root access
Removes directories
Launching a process
Connection attempt
Creating a file
Removes directories from a subdirectory of a temporary directory
Removes directories from a temporary directory
Deletes a file
Sends data to a server
Substitutes an application name
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gcc lolbin remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Sample deletes itself
Sample is potentially a Mirai botnet sample
Tries to stop the "iptables" service
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1691704 Sample: cemtop.elf Startdate: 16/05/2025 Architecture: LINUX Score: 100 69 92.112.125.62, 23, 46846 UKRTELNETUA Ukraine 2->69 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 Antivirus / Scanner detection for submitted sample 2->75 77 4 other signatures 2->77 13 cemtop.elf 2->13         started        signatures3 process4 signatures5 79 Opens /proc/net/* files useful for finding connected devices and routers 13->79 16 cemtop.elf 13->16         started        process6 process7 18 cemtop.elf 16->18         started        process8 20 cemtop.elf 18->20         started        process9 22 cemtop.elf sh 20->22         started        24 cemtop.elf sh 20->24         started        26 cemtop.elf sh 20->26         started        28 10 other processes 20->28 process10 30 sh service systemctl 22->30         started        33 sh rm 24->33         started        35 sh service systemctl 26->35         started        37 sh rm 28->37         started        39 sh rm 28->39         started        41 sh rm 28->41         started        43 5 other processes 28->43 signatures11 81 Tries to stop the "iptables" service 30->81 45 service 30->45         started        47 service basename 30->47         started        49 service basename 30->49         started        51 service systemctl 30->51         started        83 Sample deletes itself 33->83 53 service 35->53         started        55 service basename 35->55         started        57 service basename 35->57         started        59 service systemctl 35->59         started        process12 process13 61 service systemctl 45->61         started        63 service sed 45->63         started        65 service systemctl 53->65         started        67 service sed 53->67         started       
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2025-05-16 08:00:35 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:gafgyt defense_evasion discovery privilege_escalation
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads CPU attributes
Reads system network configuration
Abuse Elevation Control Mechanism: Sudo and Sudo Caching
Deletes log files
Enumerates running processes
Reads system routing table
Deletes Audit logs
Deletes journal logs
Flushes firewall rules
Writes DNS configuration
Malware Config
C2 Extraction:
92.112.125.62:23
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Gafgyt-6981154-0
YARA:
Linux_Trojan_Mirai_b9a9d04b
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Gafgyt_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Mirai_b9a9d04b
Author:Elastic Security
Rule name:NET
Author:malware-lu
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 9fd1151f6e0b48b58fc48b95fa9c09b9d20fd89c0ed97e93f22e87e0787b6ffd

(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