MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1eac89f7734b9ea3705cfc9fe52ec16f50afbeeb3c8f362b5611a5aa0e1e957. 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: 9


Intelligence 9 IOCs YARA 11 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1eac89f7734b9ea3705cfc9fe52ec16f50afbeeb3c8f362b5611a5aa0e1e957
SHA3-384 hash: 161fdfa3d19bafc229052990f3c3615b54b75b9f15b9cc4ee62c0a10166f4a26f2eabc4446bb9e83a547057ee2676c41
SHA1 hash: 5a4a30fd928606158db6b8c1bd2f0c8f84139410
MD5 hash: ba4a2811f67182f57f4fa8ffb2853291
humanhash: burger-illinois-ack-johnny
File name:ba4a2811f67182f57f4fa8ffb2853291
Download: download sample
Signature Gafgyt
Create hunting rule
File size:97'480 bytes
First seen:2024-06-25 07:39:06 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:OEG6zPYAm0kh6azhyTC9yfbh1+V+LeDdfCJCW9k3/8ppk+9WGFFc2mHxZ8XoL5lV:OEJKfzhyTWy11A+LeDdECW6/kI2mRZ8i
TLSH T137934B07A851C6BFC49796FD27EB9624D523B83E1F3273167398BCE92F299D48C19204
telfhash t1a321fe86f17f8a696eb118249c784bf5015a673766627f71bf1ec2c8502e002ba25e4f
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:64 elf gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
113
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7540662-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Changes the time when the file was created, accessed, or modified
Kills processes
Opens a port
Receives data from a server
Changes access rights for a file
Runs as daemon
Connection attempt
Changes access rights for a written file
DNS request
Launching a process
Kills critical processes
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-debug gcc lolbin remote
Link:
https://www.filescan.io/uploads/667a745821581a92819f27ca/reports/48e70343-e26c-41b1-96a0-3250576bb084/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
60
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b1eac89f7734b9ea3705cfc9fe52ec16f50afbeeb3c8f362b5611a5aa0e1e957
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/dddd7273-6bdb-466f-be7c-397114fe64ef
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1462214
Signature
Contains symbols with names commonly found in malware
Executes the "crontab" command typically for achieving persistence
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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: 1462214 Sample: oJrYyiC0Hk.elf Startdate: 25/06/2024 Architecture: LINUX Score: 72 37 37.44.238.67, 443, 60022 HARMONYHOSTING-ASFR France 2->37 39 conn.masjesu.zip 95.214.27.134, 443, 49424 CMCSUS Germany 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Machine Learning detection for sample 2->45 47 Contains symbols with names commonly found in malware 2->47 9 oJrYyiC0Hk.elf 2->9         started        11 xfce4-panel wrapper-2.0 2->11         started        13 xfce4-panel wrapper-2.0 2->13         started        15 4 other processes 2->15 signatures3 process4 process5 17 oJrYyiC0Hk.elf 9->17         started        19 oJrYyiC0Hk.elf 9->19         started        process6 21 oJrYyiC0Hk.elf sh 17->21         started        23 oJrYyiC0Hk.elf sh 17->23         started        25 oJrYyiC0Hk.elf 19->25         started        27 oJrYyiC0Hk.elf 19->27         started        process7 29 sh crontab 21->29         started        33 sh crontab 23->33         started        file8 35 /var/spool/cron/crontabs/tmp.HbVRid, ASCII 29->35 dropped 49 Sample tries to persist itself using cron 29->49 51 Executes the "crontab" command typically for achieving persistence 29->51 signatures9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b1eac89f7734b9ea3705cfc9fe52ec16f50afbeeb3c8f362b5611a5aa0e1e957
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b1eac89f7734b9ea3705cfc9fe52ec16f50afbeeb3c8f362b5611a5aa0e1e957/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-06-25 07:14:44 UTC
File Type:
ELF64 Little (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=whvmrh3xgs46unyfz7e74uxmc32qv67owpepgyvvmenfvihb5flq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/240625-jhjclazflj/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b1eac89f7734b9ea3705cfc9fe52ec16f50afbeeb3c8f362b5611a5aa0e1e957

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_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
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 b1eac89f7734b9ea3705cfc9fe52ec16f50afbeeb3c8f362b5611a5aa0e1e957

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2905495/

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_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments


Avatar
zbet commented on 2024-06-25 07:39:07 UTC

url : hxxp://95.214.27.138/bins/sGeuunLLqBhe1PoBaGVur3ssqKqBqRtESS