MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83b5b60743c3ec009a804bb2c4f71c0317b4cd4bdd80ba1cccf4a919c3ce32c4. 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: 7


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

SHA256 hash: 83b5b60743c3ec009a804bb2c4f71c0317b4cd4bdd80ba1cccf4a919c3ce32c4
SHA3-384 hash: 9f24a7ebf5816f91712fe4aba86bfb04b309851abd6a2a9044621b8667797406cc64c70a03831d89b1388c9d6e929efc
SHA1 hash: 9c0f57e2f35409b105dfb20c1cdf837208311359
MD5 hash: 62d4945d34b49c6f3049bd9c0ddc5805
humanhash: venus-south-thirteen-kitten
File name:62d4945d34b49c6f3049bd9c0ddc5805
Download: download sample
Signature Gafgyt
Create hunting rule
File size:42'952 bytes
First seen:2022-06-18 08:37:57 UTC
Last seen:2022-06-18 09:45:54 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:xYeQBij36T4fbTRXcl/lJXImmu4VocZYqrgV7WlleqYp:PQRT4KZXIhV53NYp
TLSH T1EE13F2DEB0D57CCBCE6C6CBE514517A24E05E44067C9EE852262CB08DB7E28FF584467
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

Intelligence

File Origin
# of uploads :
2
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai.1667.22461.20298.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug
Link:
https://www.filescan.io/uploads/62ad8f2fc07f2e38a156e5a1/reports/598e1bbd-2a59-47a2-abe3-0ec151ca31d7/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/83b5b60743c3ec009a804bb2c4f71c0317b4cd4bdd80ba1cccf4a919c3ce32c4
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/34531b4d-39fc-4f4f-a3b8-61fc56570a8b
Result
Threat name:
Unknown
Detection:
malicious
Classification:
spre.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1015586
Signature
Deletes all firewall rules
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
Snort IDS alert for network traffic
Tries to stop the "iptables" service
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 648088 Sample: GbNq3DapRA Startdate: 18/06/2022 Architecture: LINUX Score: 80 66 172.245.210.119, 39754, 8812 AS-COLOCROSSINGUS United States 2->66 68 113.177.70.105, 23, 46770 VNPT-AS-VNVNPTCorpVN Viet Nam 2->68 70 3 other IPs or domains 2->70 72 Snort IDS alert for network traffic 2->72 74 Multi AV Scanner detection for submitted file 2->74 76 Sample is packed with UPX 2->76 12 GbNq3DapRA 2->12         started        signatures3 process4 signatures5 86 Opens /proc/net/* files useful for finding connected devices and routers 12->86 15 GbNq3DapRA 12->15         started        process6 process7 17 GbNq3DapRA 15->17         started        process8 19 GbNq3DapRA sh 17->19         started        21 GbNq3DapRA sh 17->21         started        23 GbNq3DapRA sh 17->23         started        25 11 other processes 17->25 process9 27 sh service systemctl 19->27         started        30 sh rm 21->30         started        32 sh rm 23->32         started        34 sh iptables 25->34         started        36 sh service systemctl 25->36         started        38 sh rm 25->38         started        40 7 other processes 25->40 signatures10 78 Tries to stop the "iptables" service 27->78 42 service 27->42         started        44 service basename 27->44         started        46 service basename 27->46         started        48 service systemctl 27->48         started        80 Sample deletes itself 30->80 82 Deletes security-related log files 32->82 84 Deletes all firewall rules 34->84 50 service 36->50         started        52 service basename 36->52         started        54 service basename 36->54         started        56 service systemctl 36->56         started        process11 process12 58 service systemctl 42->58         started        60 service sed 42->60         started        62 service systemctl 50->62         started        64 service sed 50->64         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/83b5b60743c3ec009a804bb2c4f71c0317b4cd4bdd80ba1cccf4a919c3ce32c4/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2022-06-18 08:38:08 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qo23mb2dypwabguajozmj5y4aml3jtkl3waluhgm6surtq6oglca._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
linux
Link:
https://tria.ge/reports/220618-kjqczaacg7/
Behaviour
Enumerates kernel/hardware configuration
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
Writes DNS configuration
Deletes system logs
Writes file to system bin folder
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/83b5b60743c3ec009a804bb2c4f71c0317b4cd4bdd80ba1cccf4a919c3ce32c4

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
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

Gafgyt

elf 83b5b60743c3ec009a804bb2c4f71c0317b4cd4bdd80ba1cccf4a919c3ce32c4

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2243231/

Comments


Avatar
zbet commented on 2022-06-18 08:37:58 UTC

url : hxxp://172.245.210.119/.fErB92/kur.mpsl