MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a362ac9f3f0030b002616b0e421d4ed1d2604e5b97a5fadd231f7a01fa53375e. 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



XorDDoS


Vendor detections: 5


Intelligence 5 IOCs YARA 2 File information Comments

SHA256 hash: a362ac9f3f0030b002616b0e421d4ed1d2604e5b97a5fadd231f7a01fa53375e
SHA3-384 hash: ea917791052b49a314a72827fe70fa9828c13b2311c90c1dcd7da6a8d49701b31961ade649bb7711cd93525a56636a3f
SHA1 hash: 49362cc103265f7ea29e66b9df80db47d78ffc22
MD5 hash: bd0571edbff6bc9d3b6acdd815d1e89a
humanhash: fourteen-single-potato-may
File name:xor3.o
Download: download sample
Signature XorDDoS
File size:253'441 bytes
First seen:2022-04-15 19:58:11 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:nSDFOrnwRgUbMisI6sdkH+M6hWOcy5KOZW7U6NCPhhhR//mqYq:mZRgUY/fsJcO1KOiXOhhhBeq
TLSH T1A14423ECD983A4B73D3186BD71D935D940ACE1ED823E3B22E346A15BD21E053AC84D93
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter adm1n_usa32
Tags:elf intel mirai XorDDoS

Intelligence


File Origin
# of uploads :
1
# of downloads :
353
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
13
Number of processes launched:
24
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Threat name:
XorDDoS
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
Drops files in suspicious directories
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Yara detected XorDDoS Bot
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 610014 Sample: xor3.o Startdate: 15/04/2022 Architecture: LINUX Score: 76 72 109.202.202.202, 80 INIT7CH Switzerland 2->72 74 103.223.120.131, 8809 IKGUL-26484US China 2->74 76 4 other IPs or domains 2->76 78 Multi AV Scanner detection for submitted file 2->78 80 Yara detected XorDDoS Bot 2->80 82 Sample is packed with UPX 2->82 10 xor3.o 2->10         started        12 systemd snapd-env-generator 2->12         started        signatures3 process4 process5 14 xor3.o 10->14         started        file6 64 /usr/bin/zxndqjntah, ELF 14->64 dropped 66 /usr/bin/ysmmtgctxh, ELF 14->66 dropped 68 /usr/bin/ylenkdzraf, ELF 14->68 dropped 70 21 other files (20 malicious) 14->70 dropped 90 Drops files in suspicious directories 14->90 92 Sample deletes itself 14->92 94 Sample tries to persist itself using cron 14->94 96 Sample tries to persist itself using System V runlevels 14->96 18 xor3.o sh 14->18         started        22 xor3.o 14->22         started        24 xor3.o 14->24         started        26 105 other processes 14->26 signatures7 process8 file9 62 /etc/crontab, ASCII 18->62 dropped 84 Sample tries to persist itself using cron 18->84 28 sh sed 18->28         started        31 xor3.o rgcaiyijwq 22->31         started        33 xor3.o rgcaiyijwq 24->33         started        35 xor3.o rgcaiyijwq 26->35         started        37 xor3.o rgcaiyijwq 26->37         started        39 xor3.o rgcaiyijwq 26->39         started        41 102 other processes 26->41 signatures10 process11 signatures12 88 Sample tries to persist itself using cron 28->88 43 rgcaiyijwq 31->43         started        46 rgcaiyijwq 33->46         started        48 rgcaiyijwq 35->48         started        50 rgcaiyijwq 37->50         started        52 rgcaiyijwq 39->52         started        54 bwparzbfgl 41->54         started        56 bwparzbfgl 41->56         started        58 bwparzbfgl 41->58         started        60 98 other processes 41->60 process13 signatures14 86 Sample deletes itself 54->86
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2022-04-13 22:27:45 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 42 (52.38%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
linux persistence
Behaviour
Reads runtime system information
Writes file to tmp directory
Creates/modifies Cron job
Modifies init.d
Modifies rc script
Unexpected DNS network traffic destination
Write file to user bin folder
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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.

Comments