MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f400420fe8e2876081ec818daba8a235e992096697bbdebbe477c849d923cb5. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5f400420fe8e2876081ec818daba8a235e992096697bbdebbe477c849d923cb5
SHA3-384 hash: d830c4aefa5b473020742653d145b472d76eac95c696c4a80f868807d4df0b1fdea1212c7119bf04c16a5026b07ed42a
SHA1 hash: 6262c8bd1746f7d69a7b6d7b5d8215b1ebdc48a8
MD5 hash: 5a646d2ff5bd9458a728f613a205cf84
humanhash: beryllium-avocado-double-may
File name:5a646d2ff5bd9458a728f613a205cf84
Download: download sample
Signature Mirai
Create hunting rule
File size:50'336 bytes
First seen:2022-06-03 11:47:37 UTC
Last seen:2022-06-03 13:33:21 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:HZFo5KIItdW4epUaKhI/dT18WR0ZffHgPXSy:X9tdSUaDJRWffHSf
TLSH T13B33F13FE239B3F2DC4C96FDA18E2B690D2660A9F27B965563608108551604A3D4CEEE
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 gafgyt mips mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
288
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999.1728.2508.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug gafgyt mirai
Link:
https://www.filescan.io/uploads/6299f5080003c05e7e991f12/reports/90d562af-686f-46d9-b943-4a887e65327d/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/5f400420fe8e2876081ec818daba8a235e992096697bbdebbe477c849d923cb5
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ea754f04-3f6f-49e9-975c-bec12e6448cd
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1006304
Signature
Deletes security-related log files
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Sample deletes itself
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 638819 Sample: 8h5I4Bc19b Startdate: 03/06/2022 Architecture: LINUX Score: 72 42 109.202.202.202, 80 INIT7CH Switzerland 2->42 44 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->44 46 2 other IPs or domains 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected Mirai 2->50 52 Sample is packed with UPX 2->52 10 8h5I4Bc19b 2->10         started        signatures3 process4 signatures5 54 Opens /proc/net/* files useful for finding connected devices and routers 10->54 13 8h5I4Bc19b 10->13         started        15 8h5I4Bc19b 10->15         started        process6 process7 17 8h5I4Bc19b 13->17         started        process8 19 8h5I4Bc19b sh 17->19         started        21 8h5I4Bc19b sh 17->21         started        23 8h5I4Bc19b sh 17->23         started        25 5 other processes 17->25 process9 27 sh rm 19->27         started        30 sh rm 21->30         started        32 sh rm 23->32         started        34 sh rm 25->34         started        36 sh pkill 25->36         started        38 sh pkill 25->38         started        40 2 other processes 25->40 signatures10 56 Sample deletes itself 27->56 58 Deletes security-related log files 30->58
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5f400420fe8e2876081ec818daba8a235e992096697bbdebbe477c849d923cb5/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2022-06-03 11:48:05 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l5aaiih6ryuhmca6zamnvoukenpjsiewnf533256i56ijhmshs2q._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
linux
Link:
https://tria.ge/reports/220603-nyerkaefc9/
Behaviour
Reads runtime system information
Writes file to tmp directory
Reads CPU attributes
Reads system network configuration
Reads system routing table
Write file to user bin folder
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.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/5f400420fe8e2876081ec818daba8a235e992096697bbdebbe477c849d923cb5

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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
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 5f400420fe8e2876081ec818daba8a235e992096697bbdebbe477c849d923cb5

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2223214/

Comments


Avatar
zbet commented on 2022-06-03 11:47:41 UTC

url : hxxp://172.245.210.119/.rIIoOx50/JFS.mipsel