MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61ad2b8b9cd597d806f509a255a7fd6e703dcde57676bdcbf203e955713b1990. 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 1 File information Comments 1

SHA256 hash: 61ad2b8b9cd597d806f509a255a7fd6e703dcde57676bdcbf203e955713b1990
SHA3-384 hash: 475f85aa9310bd2df53c9a9e97533dac630fa90a825cf9ca6090a9b38981ebac647d84f1e44f8df8239081e7692c1acf
SHA1 hash: 75b7557007e628dcb323e6733e95119dcdf6913b
MD5 hash: 61ce774e3f4bf5e37ee37e05c0579aa8
humanhash: jig-echo-beer-missouri
File name:61ce774e3f4bf5e37ee37e05c0579aa8
Download: download sample
Signature Mirai
File size:58'884 bytes
First seen:2022-06-13 18:59:05 UTC
Last seen:2022-06-13 19:50:33 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:Z3Zn4RCGVi4n8HCkGVmzRq6j9JGhUp8CKWsSzInpzVJxh:ZNAV5MCkGkDj94hUpbKWtCh
TLSH T13E43F1F387AE8BBCC73DB47110A735C4F5170A201106867B686932E99D7AA897E18F52
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter zbetcheckin
Tags:64 elf gafgyt mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
61
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
52869
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
172.245.210.119:20129
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Deletes security-related log files
Malicious sample detected (through community Yara rule)
Opens /proc/net/* files useful for finding connected devices and routers
Sample deletes itself
Sample is packed with UPX
Snort IDS alert for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 644848 Sample: BQFXrj1KY4 Startdate: 13/06/2022 Architecture: LINUX Score: 88 52 128.1.245.11 ZNETUS United States 2->52 54 75.118.17.239 WOW-INTERNETUS United States 2->54 56 98 other IPs or domains 2->56 58 Snort IDS alert for network traffic 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Yara detected Mirai 2->62 64 3 other signatures 2->64 10 BQFXrj1KY4 2->10         started        13 xfce4-session xfdesktop 2->13         started        15 xfce4-session xfdesktop 2->15         started        17 3 other processes 2->17 signatures3 process4 signatures5 70 Opens /proc/net/* files useful for finding connected devices and routers 10->70 19 BQFXrj1KY4 10->19         started        21 BQFXrj1KY4 10->21         started        23 BQFXrj1KY4 10->23         started        25 2 other processes 10->25 process6 process7 27 BQFXrj1KY4 19->27         started        process8 29 BQFXrj1KY4 sh 27->29         started        31 BQFXrj1KY4 sh 27->31         started        33 BQFXrj1KY4 sh 27->33         started        35 9 other processes 27->35 process9 37 sh rm 29->37         started        40 sh rm 31->40         started        42 sh rm 33->42         started        44 sh rm 35->44         started        46 sh pkill 35->46         started        48 sh pkill 35->48         started        50 5 other processes 35->50 signatures10 66 Sample deletes itself 37->66 68 Deletes security-related log files 40->68
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2022-06-13 19:00:09 UTC
File Type:
ELF64 Little (Exe)
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux persistence
Behaviour
Reads runtime system information
Writes file to tmp directory
Reads CPU attributes
Reads system network configuration
Creates/modifies Cron job
Reads system routing table
Writes DNS configuration
Contacts a large (37094) amount of remote hosts
Creates a large amount of network flows
Deletes system logs
Modifies the Watchdog daemon
Writes file to system bin folder
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 61ad2b8b9cd597d806f509a255a7fd6e703dcde57676bdcbf203e955713b1990

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-06-13 18:59:09 UTC

url : hxxp://172.245.210.119/.rIIoOx93/JFS.x86