MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c75cb17270eb38ed88803e79199eb9e1211753737e7cd1f8b33ea351439f18e. 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


Gafgyt


Vendor detections: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5c75cb17270eb38ed88803e79199eb9e1211753737e7cd1f8b33ea351439f18e
SHA3-384 hash: 8384e4e0a032f826dd235b0677b7f03ddd5eff4fafa2946f6340097230bf98e2a01a0cc8ae7869546e5043bce52259c1
SHA1 hash: 73d78b0faef5c7373229e03c164461f623acda0d
MD5 hash: ba605662bc3694b1bd606e85f359c156
humanhash: triple-sixteen-fifteen-double
File name:BOBYOkW9NldfT5hBXi13puYhvLpwLH5Z4m
Download: download sample
Signature Gafgyt
Create hunting rule
File size:132'358 bytes
First seen:2024-08-09 10:13:16 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:RY0LScsOWVCRssJGs0SC0e0kxu+S3+FIhBeJj3TZmmy9fNyKmwKs0jp:OLu+vFIho31mmy9fNyKmVs0jp
TLSH T1F4D3762A7E21BFBFE6A8C23107F39FB083D5619736919346E16CD7181EB128C185E794
telfhash t15c11f386f17f49651fb11824cc784bf5055a672366627f70bf1ec2c4402e002ba15e4f
Reporter NDA0E
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
107
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-8041698-0
Create hunting rule

Unix.Trojan.Mirai-10032606-0
Create hunting rule

Unix.Malware.Mirai-10033785-0
Create hunting rule

Unix.Trojan.Mirai-10033788-0
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gcc lolbin remote
Link:
https://www.filescan.io/uploads/66b5ebf3b1392db6bab19b8e/reports/009bc5ba-e207-4e79-bbde-3892eac0d927/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
41
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/5c75cb17270eb38ed88803e79199eb9e1211753737e7cd1f8b33ea351439f18e
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3caa7626-0730-4c4b-9972-a1ee559f954b
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1490521
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1490521 Sample: BOBYOkW9NldfT5hBXi13puYhvLp... Startdate: 09/08/2024 Architecture: LINUX Score: 68 31 conn.masjesu.zip 37.44.238.75, 443, 53388 HARMONYHOSTING-ASFR France 2->31 33 Antivirus / Scanner detection for submitted sample 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Contains symbols with names commonly found in malware 2->37 9 BOBYOkW9NldfT5hBXi13puYhvLpwLH5Z4m.elf 2->9         started        signatures3 process4 process5 11 BOBYOkW9NldfT5hBXi13puYhvLpwLH5Z4m.elf 9->11         started        13 BOBYOkW9NldfT5hBXi13puYhvLpwLH5Z4m.elf 9->13         started        process6 15 BOBYOkW9NldfT5hBXi13puYhvLpwLH5Z4m.elf sh 11->15         started        17 BOBYOkW9NldfT5hBXi13puYhvLpwLH5Z4m.elf sh 11->17         started        19 BOBYOkW9NldfT5hBXi13puYhvLpwLH5Z4m.elf 13->19         started        21 BOBYOkW9NldfT5hBXi13puYhvLpwLH5Z4m.elf 13->21         started        process7 23 sh crontab 15->23         started        27 sh crontab 17->27         started        file8 29 /var/spool/cron/crontabs/tmp.a8myQa, ASCII 23->29 dropped 39 Sample tries to persist itself using cron 23->39 41 Executes the "crontab" command typically for achieving persistence 23->41 signatures9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/5c75cb17270eb38ed88803e79199eb9e1211753737e7cd1f8b33ea351439f18e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5c75cb17270eb38ed88803e79199eb9e1211753737e7cd1f8b33ea351439f18e/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2024-08-09 03:02:17 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lr24wfzhb2zy5weiaptzdgpltyjbc5jxg7t42h4lgpvdkfbz6gha._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/240809-ml8cnszbkj/
Behaviour
Reads runtime system information
Creates/modifies Cron job
Enumerates running processes
Renames itself
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/5c75cb17270eb38ed88803e79199eb9e1211753737e7cd1f8b33ea351439f18e

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:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Create hunting rule
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

Gafgyt

elf 5c75cb17270eb38ed88803e79199eb9e1211753737e7cd1f8b33ea351439f18e

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3097142/
  
URLhaus
https://urlhaus.abuse.ch/url/3097144/
  
URLhaus
https://urlhaus.abuse.ch/url/3097162/
  
URLhaus
https://urlhaus.abuse.ch/url/3097176/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments