MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5cb31d8bff6cf1e1c2fd3c920b78591bdce98b3eafd0ac99c57afe7f30da159f. 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: 11


Intelligence 11 IOCs YARA 9 File information Comments 1

SHA256 hash: 5cb31d8bff6cf1e1c2fd3c920b78591bdce98b3eafd0ac99c57afe7f30da159f
SHA3-384 hash: e5cd6ee4aa46635f1a2fce362e73a0a3985ad7de92fe1a79a9ffb1b8f4b45d6a9fd0edfd79d26cd13d2ed95fd974ea18
SHA1 hash: 4ce6ffb2c283c13e16671af175f00d28e8a48c1c
MD5 hash: f99b001bb429bf07902e71d0553e11e8
humanhash: wyoming-nuts-skylark-hot
File name:f99b001bb429bf07902e71d0553e11e8
Download: download sample
Signature Mirai
File size:54'864 bytes
First seen:2024-07-01 08:02:01 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:ICzTgxVwPMSMtcKpA4y0KpEhQGLfMkXLCPfN0:ICnewPMltcIA4mpYQsxbC3N0
TLSH T177335AC9EA47D8F8E9560A716076E7364B72F13B111ECF43C768DA32A852702E65738C
telfhash t12e21c1bf2db509ec77c06984c30b56e31936c6bb1670727541b69c9533f3e9250a4c3a
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:32 elf intel mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
127
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Runs as daemon
Sends data to a server
Connection attempt
DNS request
Substitutes an application name
Deleting of the original file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
android anti-debug lolbin mirai remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
198.23.165.253
Number of open files:
2
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.evad
Score:
68 / 100
Signature
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1465112 Sample: UAC7XdWyB5.elf Startdate: 01/07/2024 Architecture: LINUX Score: 68 24 109.202.202.202, 80 INIT7CH Switzerland 2->24 26 37.221.92.199, 1312, 50452, 50788 GBTCLOUDUS Germany 2->26 28 3 other IPs or domains 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Machine Learning detection for sample 2->34 8 dash rm UAC7XdWyB5.elf 2->8         started        11 dash rm 2->11         started        13 xfce4-panel wrapper-2.0 2->13         started        15 10 other processes 2->15 signatures3 process4 signatures5 38 Sample deletes itself 8->38 17 UAC7XdWyB5.elf 8->17         started        process6 process7 19 UAC7XdWyB5.elf 17->19         started        22 UAC7XdWyB5.elf 17->22         started        signatures8 36 Sample tries to kill multiple processes (SIGKILL) 19->36
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2024-06-27 02:52:02 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux rootkit
Behaviour
Loads a kernel module
Malware Config
C2 Extraction:
clients.kaitenc2.de
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:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Author:Willi Ballenthin
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 5cb31d8bff6cf1e1c2fd3c920b78591bdce98b3eafd0ac99c57afe7f30da159f

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-07-01 08:02:02 UTC

url : hxxp://198.23.165.253/shindex86