MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e2dc2ac640b9a450cabc34f024b66dd02c28ba4ff7553e92e2da05542c9334f. 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: 14


Intelligence 14 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4e2dc2ac640b9a450cabc34f024b66dd02c28ba4ff7553e92e2da05542c9334f
SHA3-384 hash: 4b9b7344048b9cdf32ae5ff5cf12a74014c37ec5948042439bcecaa40f0c5fd0ff3e2fca06120933e2dddbd7a9043230
SHA1 hash: 11ff1ae027e903b8346dc96ee3efe89b51a8a870
MD5 hash: 608f6186183cc60ee980a3c61ed75657
humanhash: rugby-tango-three-alabama
File name:jackmyi686
Download: download sample
Signature Gafgyt
Create hunting rule
File size:96'206 bytes
First seen:2025-02-03 04:46:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:VOB0uoiiNVlCCsCWV+BTOXP0Q5Qk1V/+ZXYNjfqQH5XsZi0Oz/LBDQHRP:WvkVp4cBTOXP0Q5QU2IBXXYi0Oz/FDQh
TLSH T17B933CC5D602D6B3D4830AF5029FEA5E0631BE2A8A3B8FB6E71D3DF85B119C43115792
telfhash t1c221d343a5b68a286ff3596858bc47b11592a6237260af70ef1ec1509d37012b475e8b
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 :
1
# of downloads :
102
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30395.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29227.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29001.LCM.UNOFFICIAL
Create hunting rule

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

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

Unix.Trojan.Gafgyt-6981156-0
Create hunting rule

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

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

Unix.Dropper.Mirai-7139232-0
Create hunting rule

Unix.Trojan.Mirai-10004218-0
Create hunting rule

Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67a04a522dcee78dd8192130linux22vpnfull_triage
Tags:
aidra ddos
Result
Verdict:
Malware
Maliciousness:

Behaviour
Gains root access
Removes directories
Launching a process
Connection attempt
Creating a file
Removes directories from a subdirectory of a temporary directory
Removes directories from a temporary directory
Deletes a file
Sends data to a server
Collects information on the OS
Collects information on the CPU
Substitutes an application name
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gcc lolbin remote
Link:
https://www.filescan.io/uploads/67a04a50d5f62a1c6292e26d/reports/88149732-c67c-41be-a9e8-aea292d714fe/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/4e2dc2ac640b9a450cabc34f024b66dd02c28ba4ff7553e92e2da05542c9334f
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Gafgyt 185.237.15.131:666
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/06b45e9e-179f-4ff5-a9de-9e963ad6c6f8
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1605308
Signature
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is potentially a Mirai botnet sample
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1605308 Sample: jackmyi686.elf Startdate: 03/02/2025 Architecture: LINUX Score: 100 38 185.237.15.131, 35748, 666 AVAGOSTARIR Spain 2->38 40 109.202.202.202, 80 INIT7CH Switzerland 2->40 42 2 other IPs or domains 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 4 other signatures 2->50 11 dash rm jackmyi686.elf 2->11         started        13 dash rm 2->13         started        signatures3 process4 process5 15 jackmyi686.elf 11->15         started        process6 17 jackmyi686.elf 15->17         started        process7 19 jackmyi686.elf 17->19         started        process8 21 jackmyi686.elf sh 19->21         started        23 jackmyi686.elf sh 19->23         started        25 jackmyi686.elf sh 19->25         started        27 2 other processes 19->27 process9 29 sh rm 21->29         started        32 sh pkill 23->32         started        34 sh rm 25->34         started        36 sh rm 27->36         started        signatures10 52 Sample deletes itself 29->52
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4e2dc2ac640b9a450cabc34f024b66dd02c28ba4ff7553e92e2da05542c9334f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4e2dc2ac640b9a450cabc34f024b66dd02c28ba4ff7553e92e2da05542c9334f/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-02-03 04:47:14 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jyw4fldebonekdflynhqes3g3ubmfc5e752vh2jofwqfkqwjgnhq._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt defense_evasion discovery linux privilege_escalation
Link:
https://tria.ge/reports/250203-fel3ja1jaw/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Reads CPU attributes
Abuse Elevation Control Mechanism: Sudo and Sudo Caching
Deletes log files
Enumerates running processes
Deletes Audit logs
Deletes journal logs
Malware Config
C2 Extraction:
185.237.15.131:666
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Gafgyt-6981154-0
YARA:
Linux_Trojan_Gafgyt_6122acdf Linux_Trojan_Gafgyt_f51c5ac3 Linux_Trojan_Gafgyt_27de1106 Linux_Trojan_Gafgyt_1b2e2a3a Linux_Trojan_Gafgyt_9127f7be
Link:
https://app.threat.zone/submission/689b1f49-6d5a-4807-bea8-122416997d5c
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
BASHLITE
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/4e2dc2ac640b9a450cabc34f024b66dd02c28ba4ff7553e92e2da05542c9334f

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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_1b2e2a3a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_27de1106
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_6122acdf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9127f7be
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_f51c5ac3
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:Tsunami_Backdoor
Create hunting rule
Author:@is_henderson
Description:Tsunami Backdoor
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 4e2dc2ac640b9a450cabc34f024b66dd02c28ba4ff7553e92e2da05542c9334f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3423393/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3425308/

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