MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df38eb0e251f5f99ec89ec4cde9c209bc623c973b0254f79bf2a2310047e86f6. 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 6 File information Comments 1

SHA256 hash: df38eb0e251f5f99ec89ec4cde9c209bc623c973b0254f79bf2a2310047e86f6
SHA3-384 hash: dd40c822b1dd5e07fee1e29a86a554ae9fb595ccaac583a64d1b6ed1e667bfb9d815886beaec073a0530d9d278b4f398
SHA1 hash: 4d3a4998775f43595fba25a8a392609af2d863af
MD5 hash: c7e2ea382d0c76e3f3850b99564999d8
humanhash: zebra-eighteen-yankee-paris
File name:c7e2ea382d0c76e3f3850b99564999d8
Download: download sample
Signature Mirai
File size:92'032 bytes
First seen:2024-04-24 10:33:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:k184DtezhNoznNlWDI7BrlJK6+pZU631shd5vvg0IspiUr:JleznN91TK62ClvQa
TLSH T16A934BC8F783E0F5FC1A4131111BE33E96759E225124DDABDBA4FB72AD32A12951B60C
telfhash t1443189fe0eed18e4b3e49406835e6f214e79553b255037a787b2e61133d3957623ac38
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 :
100
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Connection attempt
Kills processes
Runs as daemon
Kills critical processes
Substitutes an application name
Deleting of the original file
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 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 reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1430973 Sample: 399jauZIBD.elf Startdate: 24/04/2024 Architecture: LINUX Score: 72 40 security.rebirth-network.su 212.70.149.10, 35342, 37464 INTERNET-HOSTINGBG Bulgaria 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Machine Learning detection for sample 2->46 8 399jauZIBD.elf 2->8         started        11 gvfsd-fuse fusermount 2->11         started        13 systemd gpu-manager 2->13         started        15 31 other processes 2->15 signatures3 process4 signatures5 48 Sample deletes itself 8->48 17 399jauZIBD.elf 8->17         started        50 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->50 19 gpu-manager sh 13->19         started        21 generate-config pkill 15->21         started        23 generate-config pkill 15->23         started        25 gpu-manager sh 15->25         started        27 4 other processes 15->27 process6 process7 29 399jauZIBD.elf 17->29         started        32 399jauZIBD.elf 17->32         started        34 399jauZIBD.elf 17->34         started        36 399jauZIBD.elf 17->36         started        38 sh grep 19->38         started        signatures8 52 Sample tries to kill multiple processes (SIGKILL) 29->52
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2024-04-24 10:34:05 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
linux
Behaviour
Changes its process name
Deletes itself
Unexpected DNS network traffic destination
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:CMD_Shutdown
Author:adm1n_usa32
Rule name:Linux_Trojan_Mirai_3a56423b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
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 df38eb0e251f5f99ec89ec4cde9c209bc623c973b0254f79bf2a2310047e86f6

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-04-24 10:33:27 UTC

url : hxxp://212.70.149.13/x86_32