MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4e693821a1d47252e6dcf3d4031a6ae7d2ac49da0451dbcd39728e62995c665. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c4e693821a1d47252e6dcf3d4031a6ae7d2ac49da0451dbcd39728e62995c665
SHA3-384 hash: b6ea99c060d9620a2a4be79d2bfdd2e2e5c6504cf0f19e1fda86717d288290b0a67a8155bfbe551ae86346978aed2726
SHA1 hash: c03de64d8efb831bcefcd7f278f16d251e1cbf5c
MD5 hash: 34d3a3ba533f424f57074875bc2dfbcc
humanhash: green-six-florida-muppet
File name:yakuza.arm5
Download: download sample
Signature Gafgyt
Create hunting rule
File size:148'767 bytes
First seen:2024-11-10 15:32:09 UTC
Last seen:2024-11-10 16:56:56 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:o2J98xPnptQNSgfJ7OREMk7i0mJxBnlRag8NseArUIqPRqlOXvYlqijhH/uD36I:o2JuM7iRx1LaTNseWgvYlqijhfuD36I
TLSH T16FE31949FC54973BC2E23BFBF79A83CE372A5654979733115A291EB02BC1B8D1D29120
telfhash t1f93145479479ca2d2f732c586c7c4fb61256ab2331527fb0bf9ac4885533002b968d4f
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf gafgyt

Intelligence

File Origin
# of uploads :
2
# of downloads :
78
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30395.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28962.LCM.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28961.LCM.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-6981154-0
Create hunting rule

Unix.Trojan.Tsunami-6981155-0
Create hunting rule

Unix.Trojan.Tsunami-6981161-0
Create hunting rule

Unix.Dropper.Mirai-7136072-0
Create hunting rule

Unix.Dropper.Mirai-7139223-0
Create hunting rule

Unix.Trojan.Tsunami-9396652-0
Create hunting rule

Unix.Trojan.Mirai-10033529-0
Create hunting rule

Unix.Trojan.Mirai-10034904-0
Create hunting rule

Unix.Trojan.Mirai-5607483-0
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6730d2411621f8e41b8f1a41linux22vpnfull_triage
Tags:
bashlite tsunami gafgyt
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
android bash gafgyt gcc lolbin masquerade remote
Link:
https://www.filescan.io/uploads/6730d233b3a9c717edb078e6/reports/2e5d8f06-91fd-45ac-8020-5d563d359651/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
259
Number of processes launched:
64
Processes remaning?
false
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/c4e693821a1d47252e6dcf3d4031a6ae7d2ac49da0451dbcd39728e62995c665
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/afc12406-9de9-45d9-bcee-5f3bd3a47350
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1553233
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses IRC for communication with a C&C
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1553233 Sample: yakuza.arm5.elf Startdate: 10/11/2024 Architecture: LINUX Score: 64 39 194.110.247.46, 45162, 45166, 45168 FIRSTROOT-ASDE unknown 2->39 41 daisy.ubuntu.com 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Uses IRC for communication with a C&C 2->47 49 Uses known network protocols on non-standard ports 2->49 9 yakuza.arm5.elf 2->9         started        signatures3 process4 process5 11 yakuza.arm5.elf 9->11         started        process6 13 yakuza.arm5.elf sh 11->13         started        15 yakuza.arm5.elf sh 11->15         started        17 yakuza.arm5.elf sh 11->17         started        19 54 other processes 11->19 process7 21 sh pkill 13->21         started        23 sh busybox 13->23         started        25 sh pkill 15->25         started        27 sh busybox 15->27         started        29 sh pkill 17->29         started        31 sh busybox 17->31         started        33 sh pkill 19->33         started        35 sh busybox 19->35         started        37 101 other processes 19->37
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c4e693821a1d47252e6dcf3d4031a6ae7d2ac49da0451dbcd39728e62995c665
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c4e693821a1d47252e6dcf3d4031a6ae7d2ac49da0451dbcd39728e62995c665/
Threat name:
Linux.Trojan.Tsunami
Create hunting rule
Status:
Malicious
First seen:
2024-11-09 10:28:47 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yttjhaq2dvdskltnz46uamngvz6svre5ubcr3pgts4uomkmvyzsq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery
Link:
https://tria.ge/reports/241110-sy6x9szbmp/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Reads CPU attributes
Enumerates running processes
Verdict:
Malicious
Tags:
trojan tsunami Unix.Trojan.Gafgyt-6981154-0
YARA:
Linux_Trojan_Tsunami_8a11f9be
Link:
https://app.threat.zone/submission/30d98f6c-a3ea-4c5a-9d86-a0d0ecc30699
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/c4e693821a1d47252e6dcf3d4031a6ae7d2ac49da0451dbcd39728e62995c665

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_irc_catcher
Create hunting rule
Author:@_lubiedo
Description:Find new ELF IRC samples
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Tsunami_8a11f9be
Create hunting rule
Author:Elastic Security
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
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 c4e693821a1d47252e6dcf3d4031a6ae7d2ac49da0451dbcd39728e62995c665

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3285030/
  
Delivery method
Distributed via web download

Comments